(svn r16338) -Codechange: split loading of references to two phases

In the first phase, indexes are stored. In the second phase, indexes are checked for validity and converted to pointers

src/saveload/cheat_sl.cpp

@@ -33,5 +33,5 @@ static void Load_CHTS()
 }
 
 extern const ChunkHandler _cheat_chunk_handlers[] = {
-	{ 'CHTS', Save_CHTS,     Load_CHTS,     CH_RIFF | CH_LAST}
+	{ 'CHTS', Save_CHTS, Load_CHTS, NULL, CH_RIFF | CH_LAST},
 };