[gthumb] initialize error to NULL

[Paolo Bacchilega <paobac src gnome org>]

commit 0f2db8e9fd62fbcd60a7bacf59e31c475a74279b
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Tue Dec 28 14:09:54 2010 +0100

    initialize error to NULL

 extensions/catalogs/actions.c            |    2 +-
 extensions/catalogs/dlg-add-to-catalog.c |    2 +-
 gthumb/gconf-utils.c                     |    8 +++-----
 gthumb/gth-overwrite-dialog.c            |    2 +-
 4 files changed, 6 insertions(+), 8 deletions(-)
---
diff --git a/extensions/catalogs/actions.c b/extensions/catalogs/actions.c
index 7538049..6e4a16e 100644
--- a/extensions/catalogs/actions.c
+++ b/extensions/catalogs/actions.c
@@ -181,7 +181,7 @@ gth_browser_activate_action_catalog_new (GtkAction  *action,
 	GFile         *parent;
 	GthFileSource *file_source;
 	GFile         *gio_parent;
-	GError        *error;
+	GError        *error = NULL;
 	GFile         *gio_file;
 
 	name = _gtk_request_dialog_run (GTK_WINDOW (browser),
diff --git a/extensions/catalogs/dlg-add-to-catalog.c b/extensions/catalogs/dlg-add-to-catalog.c
index 94038cb..f622421 100644
--- a/extensions/catalogs/dlg-add-to-catalog.c
+++ b/extensions/catalogs/dlg-add-to-catalog.c
@@ -257,7 +257,7 @@ new_catalog_button_clicked_cb (GtkWidget  *widget,
 	GthFileData *selected_parent;
 	GFile       *parent;
 	GFile       *gio_parent;
-	GError      *error;
+	GError      *error = NULL;
 	GFile       *gio_file;
 
 	name = _gtk_request_dialog_run (GTK_WINDOW (data->dialog),
diff --git a/gthumb/gconf-utils.c b/gthumb/gconf-utils.c
index 7ecde24..f6e242c 100644
--- a/gthumb/gconf-utils.c
+++ b/gthumb/gconf-utils.c
@@ -400,14 +400,13 @@ eel_gconf_set_string_list (const char *key,
 			   const GSList *slist)
 {
 	GConfClient *client;
-	GError *error;
+	GError      *error = NULL;
 
 	g_return_if_fail (key != NULL);
 
 	client = eel_gconf_client_get_global ();
 	g_return_if_fail (client != NULL);
 
-	error = NULL;
 	gconf_client_set_list (client, key, GCONF_VALUE_STRING,
 			       /* Need cast cause of GConf api bug */
 			       (GSList *) slist,
@@ -419,16 +418,15 @@ eel_gconf_set_string_list (const char *key,
 GSList *
 eel_gconf_get_string_list (const char *key)
 {
-	GSList *slist;
+	GSList      *slist;
 	GConfClient *client;
-	GError *error;
+	GError      *error = NULL;
 	
 	g_return_val_if_fail (key != NULL, NULL);
 	
 	client = eel_gconf_client_get_global ();
 	g_return_val_if_fail (client != NULL, NULL);
 	
-	error = NULL;
 	slist = gconf_client_get_list (client, key, GCONF_VALUE_STRING, &error);
 	if (eel_gconf_handle_error (&error)) {
 		slist = NULL;
diff --git a/gthumb/gth-overwrite-dialog.c b/gthumb/gth-overwrite-dialog.c
index 179deb8..607a2ac 100644
--- a/gthumb/gth-overwrite-dialog.c
+++ b/gthumb/gth-overwrite-dialog.c
@@ -123,7 +123,7 @@ image_loader_ready_cb (GObject      *source_object,
                        gpointer      user_data)
 {
 	GthOverwriteDialog *self = user_data;
-	GError             *error;
+	GError             *error = NULL;
 	GdkPixbuf          *pixbuf;
 	GtkWidget          *viewer;