[nautilus] Avoid refing NULL icons

[Alexander Larsson <alexl src gnome org>]

commit d6b8cb28c7208e0776bb483cde464472249c73ba
Author: Alexander Larsson <alexl redhat com>
Date:   Mon Sep 14 13:35:57 2009 +0200

    Avoid refing NULL icons

 src/file-manager/fm-directory-view.c |   13 +++++++++----
 1 files changed, 9 insertions(+), 4 deletions(-)
---
diff --git a/src/file-manager/fm-directory-view.c b/src/file-manager/fm-directory-view.c
index ed5cc7c..0c72ef2 100644
--- a/src/file-manager/fm-directory-view.c
+++ b/src/file-manager/fm-directory-view.c
@@ -4298,11 +4298,13 @@ add_application_to_open_with_menu (FMDirectoryView *view,
 				 label,
 				 tip,
 				 NULL);
-	
-	app_icon = g_object_ref (g_app_info_get_icon (application));
 
-	if (app_icon == NULL)
+	app_icon = g_app_info_get_icon (application);
+	if (app_icon != NULL) {
+		g_object_ref (app_icon);
+	} else {
 		app_icon = g_themed_icon_new ("application-x-executable");
+	}
 
 	gtk_action_set_gicon (action, app_icon);
 	g_object_unref (app_icon);
@@ -8439,7 +8441,10 @@ real_update_menus (FMDirectoryView *view)
 		label_with_underscore = g_strdup_printf (_("_Open with %s"),
 							 escaped_app);
 
-		app_icon = g_object_ref (g_app_info_get_icon (app));
+		app_icon = g_app_info_get_icon (app);
+		if (app_icon != NULL) {
+			g_object_ref (app_icon);
+		}
 
 		g_free (escaped_app);
 		g_object_unref (app);