diff -ur wmfire-1.2.3.orig/src/session.c wmfire-1.2.3/src/session.c
--- wmfire-1.2.3.orig/src/session.c	2005-12-04 12:39:16.000000000 +0200
+++ wmfire-1.2.3/src/session.c	2008-01-12 13:26:04.000000000 +0200
@@ -21,6 +21,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <string.h>
 #include <sys/types.h>
 #include <pwd.h>