[gcompris] minor: little change to support old GTK

[Bruno Coudoin <bcoudoin src gnome org>]

commit eb74cb6c0ed499fbaa6a378c19e350079a07a63d
Author: Bruno Coudoin <bruno coudoin free fr>
Date:   Thu May 17 22:51:25 2012 +0200

    minor: little change to support old GTK

 src/gcompris/gcompris.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/gcompris/gcompris.c b/src/gcompris/gcompris.c
index 16201e2..4b7fb4c 100644
--- a/src/gcompris/gcompris.c
+++ b/src/gcompris/gcompris.c
@@ -896,7 +896,9 @@ static void setup_window ()
 
   init_workspace();
 
+#if GDK_PIXBUF_MAJOR >= 2 && GDK_PIXBUF_MINOR >= 18
   gtk_widget_set_can_focus(canvas, TRUE);
+#endif
   gtk_widget_grab_focus (canvas);
 
 }