[gtk+] wayland: Don't leak the tmp_keymap

[Jasper St. Pierre <jstpierre src gnome org>]

commit 4764ba4b0eb0b64f10d5be9bba4b736e8cdd105f
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Fri Sep 5 14:31:44 2014 -0700

    wayland: Don't leak the tmp_keymap
    
    This is a static variable, so setting it every time will leak the
    previous one.

 gdk/wayland/gdkdisplay-wayland.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gdk/wayland/gdkdisplay-wayland.c b/gdk/wayland/gdkdisplay-wayland.c
index dea982a..20d63bb 100644
--- a/gdk/wayland/gdkdisplay-wayland.c
+++ b/gdk/wayland/gdkdisplay-wayland.c
@@ -534,7 +534,8 @@ _gdk_wayland_display_get_keymap (GdkDisplay *display)
   if (core_keyboard)
     return _gdk_wayland_device_get_keymap (core_keyboard);
 
-  tmp_keymap = _gdk_wayland_keymap_new ();
+  if (!tmp_keymap)
+    tmp_keymap = _gdk_wayland_keymap_new ();
 
   return tmp_keymap;
 }