Index: gpe-taskmanager-0.20/gpe-taskmanager.c
===================================================================
--- gpe-taskmanager-0.20.orig/gpe-taskmanager.c	2008-08-21 18:23:11.544135137 +0200
+++ gpe-taskmanager-0.20/gpe-taskmanager.c	2008-08-21 18:23:22.554712863 +0200
@@ -12,6 +12,7 @@
 #include <stdio.h>
 #include <libintl.h>
 #include <stdlib.h>
+#include <locale.h>
 
 #include <X11/Xlib.h>
 #include <X11/Xatom.h>