[gtk+] x11: Handle case where xsettings are NULL

[Benjamin Otte <otte src gnome org>]

commit de087165260ae2740e73cc3d24f9f18b972d8013
Author: Benjamin Otte <otte redhat com>
Date:   Tue Feb 19 19:55:02 2013 +0100

    x11: Handle case where xsettings are NULL

 gdk/x11/gdkscreen-x11.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gdk/x11/gdkscreen-x11.c b/gdk/x11/gdkscreen-x11.c
index 0a9b3cf..7147892 100644
--- a/gdk/x11/gdkscreen-x11.c
+++ b/gdk/x11/gdkscreen-x11.c
@@ -1318,6 +1318,8 @@ gdk_x11_screen_get_setting (GdkScreen   *screen,
   GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
   const GValue *setting;
 
+  if (x11_screen->xsettings == NULL)
+    goto out;
   setting = g_hash_table_lookup (x11_screen->xsettings, name);
   if (setting == NULL)
     goto out;