[gtk+/gtk-2-24] Add a missing include

[Matthias Clasen <matthiasc src gnome org>]

commit 0e47df0ee0a87990a38227b5010b6607d5569cee
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Feb 19 09:44:05 2011 -0500

    Add a missing include
    
    https://bugzilla.gnome.org/show_bug.cgi?id=642642

 gtk/gtkmodules.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkmodules.c b/gtk/gtkmodules.c
index 04e2b04..edc79ee 100644
--- a/gtk/gtkmodules.c
+++ b/gtk/gtkmodules.c
@@ -23,6 +23,7 @@
 #include <string.h>
 
 #include "gtkmodules.h"
+#include "gtkmain.h"
 #include "gtksettings.h"
 #include "gtkdebug.h"
 #include "gtkprivate.h" /* GTK_LIBDIR */