[gtk+/gtk-2-24] Limit includes in gtksignal.h

[Matthias Clasen <matthiasc src gnome org>]

commit d33c1cf4122e5ad028176f0bfde92c79f16880fd
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jul 29 22:34:53 2013 -0400

    Limit includes in gtksignal.h
    
    https://bugzilla.gnome.org/show_bug.cgi?id=536767

 gtk/gtksignal.h |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtksignal.h b/gtk/gtksignal.h
index dbb5c43..2637543 100644
--- a/gtk/gtksignal.h
+++ b/gtk/gtksignal.h
@@ -29,7 +29,9 @@
 #ifndef __GTK_SIGNAL_H__
 #define __GTK_SIGNAL_H__
 
-#include <gtk/gtk.h>
+#include <gtk/gtkenums.h>
+#include <gtk/gtktypeutils.h>
+#include <gtk/gtkobject.h>
 #include <gtk/gtkmarshal.h>
 
 G_BEGIN_DECLS