--- a/src/core/unix-system-mutex.cc	Mon Jul 28 16:06:46 2008 +0100
+++ b/src/core/unix-system-mutex.cc	Mon Jul 28 08:30:32 2008 -0700
@@ -19,6 +19,7 @@
  */
 
 #include <pthread.h>
+#include <string.h>
 #include <errno.h>
 #include "fatal-error.h"
 #include "system-mutex.h"