[gthumb] check whether gio_file is null before using it

[Paolo Bacchilega <paobac src gnome org>]

commit cbc1844e74f710fc7efc9b47904ec6ebb545b07b
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Thu Jul 14 21:17:12 2011 +0200

    check whether gio_file is null before using it

 extensions/catalogs/actions.c            |    2 +-
 extensions/catalogs/dlg-add-to-catalog.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/extensions/catalogs/actions.c b/extensions/catalogs/actions.c
index 012060e..a64d6a8 100644
--- a/extensions/catalogs/actions.c
+++ b/extensions/catalogs/actions.c
@@ -247,7 +247,7 @@ new_library_dialog_response_cb (GtkWidget *dialog,
 	file_source = gth_main_get_file_source (parent);
 	gio_parent = gth_file_source_to_gio_file (file_source, parent);
 	gio_file = g_file_get_child_for_display_name (gio_parent, name, &error);
-	if (g_file_make_directory (gio_file, NULL, &error)) {
+	if ((gio_file != NULL) && g_file_make_directory (gio_file, NULL, &error)) {
 		GFile *file;
 		GList *list;
 
diff --git a/extensions/catalogs/dlg-add-to-catalog.c b/extensions/catalogs/dlg-add-to-catalog.c
index 3063afc..ee0279c 100644
--- a/extensions/catalogs/dlg-add-to-catalog.c
+++ b/extensions/catalogs/dlg-add-to-catalog.c
@@ -428,7 +428,7 @@ new_library_dialog_response_cb (GtkWidget *dialog,
 	file_source = gth_main_get_file_source (parent);
 	gio_parent = gth_file_source_to_gio_file (file_source, parent);
 	gio_file = _g_directory_create_unique (gio_parent, name, "", &error);
-	if (g_file_make_directory (gio_file, NULL, &error)) {
+	if ((gio_file != NULL) && g_file_make_directory (gio_file, NULL, &error)) {
 		GFile *file;
 		GList *list;