Fix warning about unused variable

src/plugins/qt4projectmanager/qt4nodes.cpp

@@ -536,7 +536,7 @@ Qt4ProFileNode::~Qt4ProFileNode()
 void Qt4ProFileNode::buildStateChanged(ProjectExplorer::Project *project)
 {
     if (project == m_project && !ProjectExplorer::ProjectExplorerPlugin::instance()->buildManager()->isBuilding(m_project))
-        updateUiFiles(m_project->buildDirectory(m_project->activeBuildConfiguration()));
+        updateUiFiles();
 }
 
 bool Qt4ProFileNode::hasTargets() const
@@ -707,7 +707,7 @@ void Qt4ProFileNode::update()
                 emit qt4Watcher->variablesChanged(this, m_varValues, newVarValues);
     }
 
-    updateUiFiles(m_project->buildDirectory(m_project->activeBuildConfiguration()));
+    updateUiFiles();
 
     foreach (NodesWatcher *watcher, watchers())
         if (Qt4NodesWatcher *qt4Watcher = qobject_cast<Qt4NodesWatcher*>(watcher))
@@ -741,7 +741,7 @@ namespace {
 // It does so by storing a modification time for each ui file we know about.
 
 // TODO this function should also be called if the build directory is changed
-void Qt4ProFileNode::updateUiFiles(const QString &buildDirectory)
+void Qt4ProFileNode::updateUiFiles()
 {
     // Only those two project types can have ui files for us
     if (m_projectType != ApplicationTemplate

src/plugins/qt4projectmanager/qt4nodes.h

@@ -186,10 +186,10 @@ public slots:
     void scheduleUpdate();
     void update();
 private slots:
-    void updateUiFiles(const QString& buildConfiguration);
     void buildStateChanged(ProjectExplorer::Project*);
 
 private:
+    void updateUiFiles();
     Qt4ProFileNode *createSubProFileNode(const QString &path);
 
     QStringList uiDirPaths(ProFileReader *reader) const;