Raise a window when activate it (activate might not bring it to front).

git-svn-id: http://yate.null.ro/svn/yate/trunk@3351 acf43c95-373e-0410-b603-e72c3f656dc1

clients/qt4/qt4client.cpp

@@ -1047,6 +1047,7 @@ bool QtWindow::setActive(const String& name, bool active)
 	if (QWidget::isMinimized())
 	    QWidget::showNormal();
 	QWidget::activateWindow();
+	QWidget::raise();
     }
     QtWidget w(wndWidget(),name);
     if (w.invalid())