Reversed SQL_ANSI_MODE per Monty's request.

sql/sql_class.h

@@ -285,9 +285,6 @@ public:
   ulong slave_proxy_id; // in slave thread we need to know in behalf of which
   // thread the query is being run to replicate temp tables properly
 
-  // thread-specific state map for lex parser
-  uchar state_map[256];
-  
   THD();
   ~THD();
   bool store_globals();