Unref bus in SongLoader::LoadRemote()

src/core/songloader.cpp

@@ -480,6 +480,7 @@ SongLoader::Result SongLoader::LoadRemote() {
   CHECKED_GCONNECT(typefind, "have-type", &TypeFound, this);
   gst_bus_set_sync_handler(bus, BusCallbackSync, this, nullptr);
   gst_bus_add_watch(bus, BusCallback, this);
+  gst_object_unref(bus);
 
   // Add a probe to the sink so we can capture the data if it's a playlist
   GstPad *pad = gst_element_get_static_pad(fakesink, "sink");