Fix sample level

chameleonic.p8

@@ -354,7 +354,7 @@ function level:spawn_exit()
   if (x<8) player.orientx=1 
  end
  local win_at=function(x,y)
-  if (self:_mget(x,y)!=4) return
+  if (self:_mget(x,y)!=18) return
   for n in all(neighbors{x=x,y=y}) do
    if n.x<0 or n.y<0 or n.x>15 or n.y>15 then
     self._wins[_mix(n.x,n.y)]=true