Fetch macOS VFS package in autoupdater if the client is using the file provider module

Signed-off-by: Claudio Cambra <claudio.cambra@nextcloud.com>

src/gui/updater/updater.cpp

@@ -60,8 +60,10 @@ QUrl Updater::updateUrl()
     if (SparkleUpdater::autoUpdaterAllowed()) {
         urlQuery.addQueryItem(QLatin1String("sparkle"), QLatin1String("true"));
     }
+#ifdef BUILD_FILE_PROVIDER_MODULE
+    urlQuery.addQueryItem(QLatin1String("fileprovider"), QLatin1String("true"));
+#endif
 #endif
-
 #if defined(Q_OS_WIN)
     urlQuery.addQueryItem(QLatin1String("msi"), QLatin1String("true"));
 #endif