lint using clang11

src/encryption/DeviceVerificationFlow.cpp

@@ -631,8 +631,8 @@ DeviceVerificationFlow::sendVerificationRequest()
         req.to      = this->toClient.to_string();
         req.msgtype = "m.key.verification.request";
         req.body    = "User is requesting to verify keys with you. However, your client does "
-                      "not support this method, so you will need to use the legacy method of "
+                   "not support this method, so you will need to use the legacy method of "
-                      "key verification.";
+                   "key verification.";
     }
 
     send(req);

src/notifications/ManagerWin.cpp

@@ -100,16 +100,10 @@ NotificationsManager::systemPostNotification(const QString &line1,
     WinToast::instance()->showToast(templ, new CustomHandler());
 }
 
-void
+void NotificationsManager::actionInvoked(uint, QString) {}
-NotificationsManager::actionInvoked(uint, QString)
+void NotificationsManager::notificationReplied(uint, QString) {}
-{}
-void
-NotificationsManager::notificationReplied(uint, QString)
-{}
 
-void
+void NotificationsManager::notificationClosed(uint, uint) {}
-NotificationsManager::notificationClosed(uint, uint)
-{}
 
 void
 NotificationsManager::removeNotification(const QString &, const QString &)

src/voip/WebRTCSession.cpp

@@ -1114,11 +1114,7 @@ WebRTCSession::haveLocalPiP() const
     return false;
 }
 
-bool
+bool WebRTCSession::createOffer(webrtc::CallType, uint32_t) { return false; }
-WebRTCSession::createOffer(webrtc::CallType, uint32_t)
-{
-    return false;
-}
 
 bool
 WebRTCSession::acceptOffer(const std::string &)