[evolution/wip/webkit2] Fix possible memory leak with attachments in message preview

[Milan Crha <mcrha src gnome org>]

commit cd85a3421065fb0b3c3254db7e0a1f47fe6a7afc
Author: Milan Crha <mcrha redhat com>
Date:   Wed Nov 18 19:53:20 2015 +0100

    Fix possible memory leak with attachments in message preview

 em-format/e-mail-formatter-attachment.c |    2 +-
 em-format/e-mail-part-attachment-bar.c  |    3 +++
 2 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/em-format/e-mail-formatter-attachment.c b/em-format/e-mail-formatter-attachment.c
index f23c37d..2a2f2c9 100644
--- a/em-format/e-mail-formatter-attachment.c
+++ b/em-format/e-mail-formatter-attachment.c
@@ -168,7 +168,7 @@ emfe_attachment_format (EMailFormatterExtension *extension,
                                e_attachment_store_add_attachment (
                                        store, attachment);
                        }
-                       g_list_free (attachments);
+                       g_list_free_full (attachments, g_object_unref);
                } else {
                        g_warning ("Failed to locate attachment-bar for %s", part_id);
                }
diff --git a/em-format/e-mail-part-attachment-bar.c b/em-format/e-mail-part-attachment-bar.c
index 6a0a07c..dc599f0 100644
--- a/em-format/e-mail-part-attachment-bar.c
+++ b/em-format/e-mail-part-attachment-bar.c
@@ -37,6 +37,9 @@ mail_part_attachment_bar_dispose (GObject *object)
 
        priv = E_MAIL_PART_ATTACHMENT_BAR_GET_PRIVATE (object);
 
+       if (priv->store)
+               e_attachment_store_remove_all (priv->store);
+
        g_clear_object (&priv->store);
 
        /* Chain up to parent's dispose() method. */