qxmpp bump, ifdef to assemble on lower versions

core/account.cpp

@@ -1141,9 +1141,11 @@ void Core::Account::onClientError(QXmppClient::Error err)
                 case QXmppStanza::Error::UnexpectedRequest:
                     errorText = "Unexpected request";
                     break;
+#if (QXMPP_VERSION) >= QT_VERSION_CHECK(1, 1, 0)
                 case QXmppStanza::Error::PolicyViolation:
                     errorText = "Policy violation";
                     break;
+#endif
             }
          
             errorType = "Client stream error";