fix -Wextra in FreeCADGui

src/Gui/CommandWindow.cpp

@@ -60,6 +60,7 @@ StdCmdArrangeIcons::StdCmdArrangeIcons()
 
 void StdCmdArrangeIcons::activated(int iMsg)
 {
+    Q_UNUSED(iMsg); 
     getMainWindow()->arrangeIcons ();
 }
 
@@ -87,6 +88,7 @@ StdCmdTileWindows::StdCmdTileWindows()
 
 void StdCmdTileWindows::activated(int iMsg)
 {
+    Q_UNUSED(iMsg); 
     getMainWindow()->tile();
 }
 
@@ -114,6 +116,7 @@ StdCmdCascadeWindows::StdCmdCascadeWindows()
 
 void StdCmdCascadeWindows::activated(int iMsg)
 {
+    Q_UNUSED(iMsg); 
     getMainWindow()->cascade();
 }
 
@@ -143,6 +146,7 @@ StdCmdCloseActiveWindow::StdCmdCloseActiveWindow()
 
 void StdCmdCloseActiveWindow::activated(int iMsg)
 {
+    Q_UNUSED(iMsg); 
     getMainWindow()->closeActiveWindow();
 }
 
@@ -169,6 +173,7 @@ StdCmdCloseAllWindows::StdCmdCloseAllWindows()
 
 void StdCmdCloseAllWindows::activated(int iMsg)
 {
+    Q_UNUSED(iMsg); 
     getMainWindow()->closeAllWindows();
 }
 
@@ -197,6 +202,7 @@ StdCmdActivateNextWindow::StdCmdActivateNextWindow()
 
 void StdCmdActivateNextWindow::activated(int iMsg)
 {
+    Q_UNUSED(iMsg); 
     getMainWindow()->activateNextWindow();
 }
 
@@ -225,6 +231,7 @@ StdCmdActivatePrevWindow::StdCmdActivatePrevWindow()
 
 void StdCmdActivatePrevWindow::activated(int iMsg)
 {
+    Q_UNUSED(iMsg); 
     getMainWindow()->activatePreviousWindow();
 }
 
@@ -252,6 +259,7 @@ StdCmdWindows::StdCmdWindows()
 
 void StdCmdWindows::activated(int iMsg)
 {
+    Q_UNUSED(iMsg); 
     Gui::Dialog::DlgActivateWindowImp dlg( getMainWindow() );
     dlg.exec();
 }
@@ -297,6 +305,7 @@ StdCmdDockViewMenu::StdCmdDockViewMenu()
 void StdCmdDockViewMenu::activated(int iMsg)
 {
     // Handled by the related QAction objects
+    Q_UNUSED(iMsg); 
 }
 
 bool StdCmdDockViewMenu::isActive(void)
@@ -332,6 +341,7 @@ StdCmdToolBarMenu::StdCmdToolBarMenu()
 void StdCmdToolBarMenu::activated(int iMsg)
 {
     // Handled by the related QAction objects
+    Q_UNUSED(iMsg); 
 }
 
 bool StdCmdToolBarMenu::isActive(void)
@@ -411,6 +421,7 @@ StdCmdWindowsMenu::StdCmdWindowsMenu()
 void StdCmdWindowsMenu::activated(int iMsg)
 {
     // already handled by the main window
+    Q_UNUSED(iMsg); 
 }
 
 bool StdCmdWindowsMenu::isActive(void)