Add RCS Id.

--HG--
branch : HEAD

lib/CMakeLists.txt

diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 7101f5d..4c97a62 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -1,3 +1,5 @@
+# $NiH$
+
 INCLUDE(CheckFunctionExists)
 
 INSTALL(FILES zip.h DESTINATION include)