File xmodmap-includes.patch of Package xmodmap

Index: xmodmap-1.0.6/xmodmap.c
===================================================================
--- xmodmap-1.0.6.orig/xmodmap.c
+++ xmodmap-1.0.6/xmodmap.c
@@ -26,6 +26,7 @@ from The Open Group.
 
 */
 
+#define _GNU_SOURCE
 #include <X11/Xos.h>
 #include <X11/Xlib.h>
 #include <stdio.h>