Fixed brake, a binary control, being actived if value > 0 with no deadzone

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@10131 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/karts/controller/player_controller.cpp

@@ -157,7 +157,8 @@ void PlayerController::action(PlayerAction action, int value)
         break;
     case PA_BRAKE:
         m_prev_brake = value!=0;
-        if(value)
+        // let's consider below that to be a deadzone
+        if(value > 32768/2)
         {
             m_controls->m_brake = true;
             m_controls->m_accel = 0.0f;