QDBusConnectionManager mutex does not have to be mutable

Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>

src/dbus/qdbusconnectionmanager_p.h

@@ -65,7 +65,7 @@ public:
     QDBusConnectionPrivate *sender() const;
     void setSender(const QDBusConnectionPrivate *s);
 
-    mutable QMutex mutex;
+    QMutex mutex;
 private:
     QHash<QString, QDBusConnectionPrivate *> connectionHash;
 

src/network/bearer/qnetworkconfiguration_p.h

@@ -77,7 +77,7 @@ public:
 
     QMap<unsigned int, QNetworkConfigurationPrivatePointer> serviceNetworkMembers;
 
-    QMutex mutex;
+    mutable QMutex mutex;
 
     QString name;
     QString id;