don't use Xlocale crap, let's use locale.h instead

draw.c

@@ -2,9 +2,9 @@
  * See LICENSE file for license details.
  */
 #include "dwm.h"
+#include <locale.h>
 #include <stdio.h>
 #include <string.h>
-#include <X11/Xlocale.h>
 
 /* static */