mkdiropt needs to be unquoted => empty if not existing

Otherwise this happens:

    root@lilly ~ # cat
    /var/lib/cdist/object/__directory/vm/.cdist/code-remote
    rm -f "/vm"
    mkdir "" "/vm"

which results into

    mkdir: cannot create directory `': No such file or directory

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>

cdist/conf/type/__directory/gencode-remote

@@ -75,7 +75,7 @@ case "$state_should" in
          set_attributes=1
          cat << DONE
 rm -f "$destination"
-mkdir "$mkdiropt" "$destination"
+mkdir $mkdiropt "$destination"
 DONE
       fi