add early return in freshBlockGhost

parts/player/player.lua

@@ -948,8 +948,8 @@ function Player:changeAtk(R)
     end
 end
 function Player:freshBlockGhost()
+    if not self.cur then return end
     local ENV=self.gameEnv
-    if self.cur then
     local CB=self.cur.bk
     self.ghoY=min(#self.field+1,self.curY)
     if self._20G or ENV.sdarr==0 and self.keyPressing[7] and self.downing>=ENV.sddas then
@@ -979,7 +979,6 @@ function Player:freshBlockGhost()
         end
     end
 end
-end
 function Player:freshBlockDelay(keepFreshTimeInEasyFresh)
     local ENV=self.gameEnv
     local d0,l0=ENV.drop,ENV.lock