[gtk+] Fix an memory overrun

[Matthias Clasen <matthiasc src gnome org>]

commit 9f37557ffc2441150f6855e04c17d9f4e793cfb1
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Feb 26 13:08:45 2016 -0500

    Fix an memory overrun
    
    This was detected by gccs address sanitizer.

 gdk/wayland/gdkdisplay-wayland.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gdk/wayland/gdkdisplay-wayland.c b/gdk/wayland/gdkdisplay-wayland.c
index fb9f26f..7093a15 100644
--- a/gdk/wayland/gdkdisplay-wayland.c
+++ b/gdk/wayland/gdkdisplay-wayland.c
@@ -392,6 +392,7 @@ _gdk_wayland_display_prepare_cursor_themes (GdkWaylandDisplay *display_wayland)
   OnHasGlobalsClosure *closure;
   static const char *required_cursor_theme_globals[] = {
       "wl_shm",
+      NULL
   };
 
   closure = g_new0 (OnHasGlobalsClosure, 1);