--- a/lib/ac/wait.h	Sun Jan 20 00:12:17 2008 +0100
+++ b/lib/ac/wait.h	Sun Jan 20 00:22:09 2008 +0100
@@ -1,3 +1,4 @@
+/* $Id: wait.h 616 2005-08-19 20:11:01Z bruce $ */
 #include <sys/types.h>
 #if HAVE_SYS_WAIT_H
 # include <sys/wait.h>