Fixed F12 (display FPS) handling so that it would only trigger on

pressing the button, not (again) on releasing it.


git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@6030 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/input/input_manager.cpp

@@ -152,7 +152,8 @@ void InputManager::handleStaticAction(int key, int value)
             break;
 #endif
         case KEY_F12:
-            UserConfigParams::m_display_fps = !UserConfigParams::m_display_fps;
+            if(value)
+                UserConfigParams::m_display_fps = !UserConfigParams::m_display_fps;
             break;
 #ifndef WIN32
             // For now disable F9 toggling fullscreen, since windows requires