--- src/common_includes.h.org	2002-02-06 22:16:23.000000000 +0300
+++ src/common_includes.h	2005-11-07 17:17:43.000000000 +0300
@@ -18,6 +18,7 @@
 #include <sys/stat.h>
 #include <pwd.h>
 #include <grp.h>
+#include <ctype.h>
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
