Remove unused non-trivial variables. [-Wclazy-unused-non-trivial-variable] Thanks Clazy!

src/Gui/Action.cpp

@@ -428,7 +428,6 @@ void WorkbenchComboBox::actionEvent ( QActionEvent* e )
             int index = this->findData(data);
             // added a workbench
             if (index < 0 && action->isVisible()) {
-                QString text = action->text();
                 QIcon icon = action->icon();
                 if (icon.isNull())
                     this->addItem(action->text(), data);

src/Gui/DlgKeyboardImp.cpp

@@ -369,7 +369,6 @@ void DlgCustomKeyboardImp::on_editShortcut_textChanged(const QString& sc)
         CommandManager & cCmdMgr = Application::Instance->commandManager();
         std::vector<Command*> cmds = cCmdMgr.getAllCommands();
         for (std::vector<Command*>::iterator it = cmds.begin(); it != cmds.end(); ++it) {
-            QList<QAction*> acts;
             if ((*it)->getAction()) {
                 // A command may have several QAction's. So, check all of them if one of them matches (See bug #0002160)
                 QList<QAction*> acts = (*it)->getAction()->findChildren<QAction*>();

src/Gui/DlgParameterImp.cpp

@@ -471,7 +471,6 @@ void ParameterGroup::onImportFromFile()
         QString::null, QString::fromLatin1("XML (*.FCParam)"));
     if ( !file.isEmpty() )
     {
-        QFileInfo fi(file);
         QTreeWidgetItem* item = currentItem();
         if (isItemSelected(item))
         {

src/Gui/DocumentRecovery.cpp

@@ -517,7 +517,6 @@ void DocumentRecovery::on_buttonCleanup_clicked()
     tmp.setNameFilters(QStringList() << QString::fromLatin1("*.lock"));
     tmp.setFilter(QDir::Files);
 
-    QList<QFileInfo> restoreDocFiles;
     QString exeName = QString::fromLatin1(App::GetApplication().getExecutableName());
     QList<QFileInfo> locks = tmp.entryInfoList();
     for (QList<QFileInfo>::iterator it = locks.begin(); it != locks.end(); ++it) {

src/Mod/Web/Gui/BrowserView.cpp

@@ -281,7 +281,6 @@ void BrowserView::onLinkClicked (const QUrl & url)
     // path handling
     QString path     = url.path();
     QFileInfo fi(path);
-    QString ext = fi.completeSuffix();
     QUrl exturl(url);
 
     // query