[evolution] Fix few memory leaks

[Milan Crha <mcrha src gnome org>]

commit 078bb933d7da31e3c99503d098741892993dea54
Author: Milan Crha <mcrha redhat com>
Date:   Mon Jan 9 14:52:27 2017 +0100

    Fix few memory leaks

 src/calendar/gui/itip-utils.c                      |    6 +++++-
 src/e-util/e-name-selector-entry.c                 |    5 ++++-
 src/modules/itip-formatter/e-mail-formatter-itip.c |   16 ++++++++++++----
 .../e-mail-display-popup-text-highlight.c          |   18 ++++++++++++++++++
 4 files changed, 39 insertions(+), 6 deletions(-)
---
diff --git a/src/calendar/gui/itip-utils.c b/src/calendar/gui/itip-utils.c
index 4793b8b..f126e9c 100644
--- a/src/calendar/gui/itip-utils.c
+++ b/src/calendar/gui/itip-utils.c
@@ -591,6 +591,8 @@ itip_get_comp_attendee (ESourceRegistry *registry,
                                g_hash_table_destroy (aliases);
                        g_free (address);
 
+                       g_list_free_full (list, g_object_unref);
+
                        return user_email;
                }
 
@@ -608,6 +610,8 @@ itip_get_comp_attendee (ESourceRegistry *registry,
                                g_hash_table_destroy (aliases);
                        g_free (address);
 
+                       g_list_free_full (list, g_object_unref);
+
                        return user_email;
                }
 
@@ -616,7 +620,7 @@ itip_get_comp_attendee (ESourceRegistry *registry,
                g_free (address);
        }
 
-       g_list_free_full (list, (GDestroyNotify) g_object_unref);
+       g_list_free_full (list, g_object_unref);
 
        /* We could not find the attendee in the component, so just give
         * the default account address if the email address is not set in
diff --git a/src/e-util/e-name-selector-entry.c b/src/e-util/e-name-selector-entry.c
index c7a8f4a..20cc646 100644
--- a/src/e-util/e-name-selector-entry.c
+++ b/src/e-util/e-name-selector-entry.c
@@ -2047,7 +2047,6 @@ user_focus_in (ENameSelectorEntry *name_selector_entry,
        gint n;
        GList *l, *known;
        GString *str = g_string_new ("");
-       EDestination *dest_dummy = e_destination_new ();
        gint sel_start_pos = -1, sel_end_pos = -1;
 
        g_signal_handlers_block_matched (name_selector_entry, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, 
name_selector_entry);
@@ -2073,10 +2072,14 @@ user_focus_in (ENameSelectorEntry *name_selector_entry,
        g_list_free (known);
 
        if (str->len > 1 && str->str && str->str[str->len - 1] != ' ' && str->str[str->len - 2] != ',') {
+               EDestination *dest_dummy = e_destination_new ();
+
                /* Add a blank destination */
                e_destination_store_append_destination (name_selector_entry->priv->destination_store, 
dest_dummy);
                if (str->str && str->str[0])
                        g_string_append (str, ", ");
+
+               g_clear_object (&dest_dummy);
        }
 
        gtk_editable_get_selection_bounds (GTK_EDITABLE (name_selector_entry), &sel_start_pos, &sel_end_pos);
diff --git a/src/modules/itip-formatter/e-mail-formatter-itip.c 
b/src/modules/itip-formatter/e-mail-formatter-itip.c
index a77bdbe..a2d10c8 100644
--- a/src/modules/itip-formatter/e-mail-formatter-itip.c
+++ b/src/modules/itip-formatter/e-mail-formatter-itip.c
@@ -85,11 +85,11 @@ emfe_itip_format (EMailFormatterExtension *extension,
                itip_view_write (itip_part, formatter, buffer);
 
        } else {
-               CamelFolder *folder;
-               CamelMimeMessage *message;
+               CamelFolder *folder, *old_folder;
+               CamelMimeMessage *message, *old_message;
                const gchar *message_uid;
                const gchar *default_charset, *charset;
-               gchar *uri;
+               gchar *uri, *old_message_uid;
 
                folder = e_mail_part_list_get_folder (context->part_list);
                message = e_mail_part_list_get_message (context->part_list);
@@ -105,9 +105,17 @@ emfe_itip_format (EMailFormatterExtension *extension,
                                folder, message_uid, "$has_cal", TRUE);
                }
 
+               old_folder = itip_part->folder;
+               old_message = itip_part->message;
+               old_message_uid = itip_part->message_uid;
+
                itip_part->folder = g_object_ref (folder);
-               itip_part->message_uid = g_strdup (message_uid);
                itip_part->message = g_object_ref (message);
+               itip_part->message_uid = g_strdup (message_uid);
+
+               g_clear_object (&old_folder);
+               g_clear_object (&old_message);
+               g_free (old_message_uid);
 
                default_charset = e_mail_formatter_get_default_charset (formatter);
                charset = e_mail_formatter_get_charset (formatter);
diff --git a/src/modules/text-highlight/e-mail-display-popup-text-highlight.c 
b/src/modules/text-highlight/e-mail-display-popup-text-highlight.c
index 646745a..cbbab26 100644
--- a/src/modules/text-highlight/e-mail-display-popup-text-highlight.c
+++ b/src/modules/text-highlight/e-mail-display-popup-text-highlight.c
@@ -327,6 +327,20 @@ update_actions (EMailDisplayPopupExtension *extension,
        }
 }
 
+static void
+e_mail_display_popup_text_highlight_finalize (GObject *object)
+{
+       EMailDisplayPopupTextHighlight *extension;
+
+       extension = E_MAIL_DISPLAY_POPUP_TEXT_HIGHLIGHT (object);
+
+       g_clear_object (&extension->action_group);
+       g_free (extension->document_uri);
+
+       /* Chain up to parent's method */
+       G_OBJECT_CLASS (e_mail_display_popup_text_highlight_parent_class)->finalize (object);
+}
+
 void
 e_mail_display_popup_text_highlight_type_register (GTypeModule *type_module)
 {
@@ -336,12 +350,16 @@ e_mail_display_popup_text_highlight_type_register (GTypeModule *type_module)
 static void
 e_mail_display_popup_text_highlight_class_init (EMailDisplayPopupTextHighlightClass *klass)
 {
+       GObjectClass *object_class;
        EExtensionClass *extension_class;
 
        e_mail_display_popup_text_highlight_parent_class = g_type_class_peek_parent (klass);
 
        extension_class = E_EXTENSION_CLASS (klass);
        extension_class->extensible_type = E_TYPE_MAIL_DISPLAY;
+
+       object_class = G_OBJECT_CLASS (klass);
+       object_class->finalize = e_mail_display_popup_text_highlight_finalize;
 }
 
 static void