Fix static analysis failures

src/freedombone-app-dlna

@@ -63,7 +63,7 @@ function configure_interactive_dlna {
             255) rm -f "$data"
                  break;;
         esac
-        case $(cat $data) in
+        case $(cat "$data") in
             1) attach-music;;
             2) remove-music;;
             3) rm -f "$data"