Remove cache file before make me.

Author: usualoma

mt/docker-entrypoint.sh

@@ -28,6 +28,7 @@ CONF
     fi
 else
     if [ -e "/var/www/cgi-bin/mt/Makefile" ]; then
+        rm /var/www/cgi-bin/mt/build-language-stamp # remove cache file
         make -C /var/www/cgi-bin/mt me
     fi