Compile on Windows.

Breakage introduced by fa05b23a

 .

Change-Id: I45cf7f03d8d4d2a13300090d86f83cc3a15598f8
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>

src/plugins/projectexplorer/projectexplorer.cpp

@@ -3013,7 +3013,7 @@ void ProjectExplorerPlugin::setSession(QAction *action)
         d->m_session->loadSession(session);
 }
 
-void ProjectExplorerPlugin::setProjectExplorerSettings(const Internal::ProjectExplorerSettings &pes)
+void ProjectExplorerPlugin::setProjectExplorerSettings(const ProjectExplorer::Internal::ProjectExplorerSettings &pes)
 {
     QTC_ASSERT(d->m_projectExplorerSettings.environmentId == pes.environmentId, return);