Bugfix: wrong axis resulted in incorrect automatic rescues.

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@5033 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/karts/kart.cpp

@@ -745,7 +745,7 @@ void Kart::update(float dt)
     // partly tunnels through the track). While tunneling should not be
     // happening (since Z velocity is clamped), the epsilon is left in place
     // just to be on the safe side (it will not hit the chassis itself).
-    Vec3 pos_plus_epsilon = trans.getOrigin()+btVector3(0,0,0.3f);
+    Vec3 pos_plus_epsilon = trans.getOrigin()+btVector3(0,0.3f,0);
     // These values cause the track not to be hit in tuxtrack. I leave
     // them in as a test case if additional debugging should be needed.
     // Note: it might be that the kart chassis is actually 'in' the track,