cleanup: TABLE::init()

unused freshly initialized record should be trashed
with TRASH_ALLOC, not TRASH_FREE

sql/table.cc

@@ -4454,7 +4454,7 @@ void TABLE::init(THD *thd, TABLE_LIST *tl)
   DBUG_ASSERT(key_read == 0);
 
   /* mark the record[0] uninitialized */
-  TRASH(record[0], s->reclength);
+  TRASH_ALLOC(record[0], s->reclength);
 
   /*
     Initialize the null marker bits, to ensure that if we are doing a read