Ref T488 Update cppcheck suppressions.

src/xswiftbus/dbusconnection.cpp

@@ -36,7 +36,7 @@ namespace XSwiftBus
     CDBusConnection::~CDBusConnection()
     {
         close();
-        if (m_connection) { dispatch(); }
+        if (m_connection) { dispatch(); } // dispatch is virtual, but safe to call in dtor, as it's declared final
         if (m_dispatcher) { m_dispatcher->remove(this); }
     }
 

src/xswiftbus/dbusconnection.h

@@ -85,7 +85,8 @@ namespace XSwiftBus
         CDBusError lastError() const { return m_lastError; }
 
     protected:
-        virtual void dispatch() override;
+        // cppcheck-suppress virtualCallInConstructor
+        virtual void dispatch() override final;
 
     private:
         void setDispatchStatus(DBusConnection *connection, DBusDispatchStatus status);