--- a/util.h	Mon Jul 10 19:47:35 2006 +0200
+++ b/util.h	Mon Jul 10 22:16:48 2006 +0200
@@ -2,6 +2,7 @@
  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details.
  */
+#include <X11/Xlib.h>
 
 extern void error(char *errstr, ...);
 extern void *emallocz(unsigned int size);
@@ -12,5 +13,6 @@
 		if(!(a)) \
 			failed_assert(#a, __FILE__, __LINE__); \
 	} while (0)
-void failed_assert(char *a, char *file, int line);
-void swap(void **p1, void **p2);
+extern void failed_assert(char *a, char *file, int line);
+extern void swap(void **p1, void **p2);
+extern void spawn(Display *dpy, const char *shell, const char *cmd);