Merge pull request #7017 from nextcloud/bugfix/fixIncorrectQStringBui…

…lderUsage

avoid wrong usage of QStringBuilder via auto type deduction

src/gui/folder.cpp

@@ -1481,7 +1481,7 @@ void Folder::warnOnNewExcludedItem(const SyncJournalFileRecord &record, const QS
     // Note: This assumes we're getting file watcher notifications
     // for folders only on creation and deletion - if we got a notification
     // on content change that would create spurious warnings.
-    const auto fullPath = _canonicalLocalPath + path;
+    const auto fullPath = QString{_canonicalLocalPath + path};
     QFileInfo fi(fullPath);
     if (!FileSystem::fileExists(fullPath))
         return;

src/gui/proxyauthhandler.cpp

@@ -58,7 +58,7 @@ void ProxyAuthHandler::handleProxyAuthenticationRequired(
     }
 
     const auto account = qobject_cast<Account *>(sender());
-    const auto key = proxy.hostName() + QLatin1Char(':') + QString::number(proxy.port());
+    const auto key = QString{proxy.hostName() + QLatin1Char(':') + QString::number(proxy.port())};
 
     // If the proxy server has changed, forget what we know.
     if (key != _proxy) {