Update gitignore

diff --git a/libcmdapp b/libcmdapp
index b1746759a3e70a9216f2a967708d9514146c81cb..4c97e4ed96a958d75c2657f8744c7e86e8a66a30 160000 (submodule)
--- a/libcmdapp
+++ b/libcmdapp
@@ -1 +1 @@
-Subproject commit b1746759a3e70a9216f2a967708d9514146c81cb
+Subproject commit 4c97e4ed96a958d75c2657f8744c7e86e8a66a30