Dont give plungers in 3 strikes mode (we need more weapons for this mode\!)

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@4860 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/modes/three_strikes_battle.cpp

@@ -328,7 +328,7 @@ bool ThreeStrikesBattle::acceptPowerup(const PowerupType type) const
     // these powerups don't make much sense in battle mode
     if (type == POWERUP_PARACHUTE || type == POWERUP_ANVIL ||
         type == POWERUP_BUBBLEGUM || type == POWERUP_ZIPPER ||
-        type == POWERUP_SWITCH)
+        type == POWERUP_SWITCH    || type == POWERUP_PLUNGER)
     {
        return false;
     }