add RCS ids

--HG--
branch : HEAD

lib/zip_open.c

diff --git a/lib/zip_open.c b/lib/zip_open.c
index 44e215b..769fafa 100644
--- a/lib/zip_open.c
+++ b/lib/zip_open.c
@@ -1,4 +1,6 @@
 /*
+  $NiH$
+
   zip_open.c -- open zip file
   Copyright (C) 1999 Dieter Baron and Thomas Klaunser