Update cvsignore, add .libs
diff --git a/zebra/.cvsignore b/zebra/.cvsignore
index 1e97120..8e4509e 100644
--- a/zebra/.cvsignore
+++ b/zebra/.cvsignore
@@ -8,3 +8,4 @@
 TAGS
 .deps
 .nfs*
+.libs