gui: Fix build problem (missing header #include).

Reported by Grzegorz Artur Daszuta <crefff@gmail.com>.

diff --git a/src/ui/gui/about.h b/src/ui/gui/about.h
index e42667acd676c318b9017da3484085781c0e5431..16956488411418649d9bb11e922293f5b46019b1 100644 (file)
--- a/src/ui/gui/about.h
+++ b/src/ui/gui/about.h
@@ -1,5 +1,5 @@
 /* PSPPIRE - a graphical user interface for PSPP.
-   Copyright (C) 2007  Free Software Foundation
+   Copyright (C) 2007, 2010  Free Software Foundation
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -14,7 +14,7 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
-
+#include <gtk/gtk.h>
 
 
 void about_new (GtkMenuItem *m, GtkWindow *parent);