diff --git a/win32/sendmail.c b/win32/sendmail.c
index 23c619c281c..d215c5472ef 100644
--- a/win32/sendmail.c
+++ b/win32/sendmail.c
@@ -18,6 +18,8 @@
  *
  */
 
+/* $Id$ */
+
 #include "php.h"				/*php specific */
 #include <stdio.h>
 #include <stdlib.h>