Cleanup old versions of MSC tools.

install/16_cleanup-old-mscc.sh

@@ -5,3 +5,5 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 cd $DIR/../ || exit 1
 [ -d mscc ] && rm -rf mscc
 [ -d mscedit2 ] && rm -rf mscedit2
+
+exit 0