Merge mysqldev@production.mysql.com:my/mysql-5.1-release

into mysql.com:/Users/kent/mysql/bk/mysql-5.1-release

sql/sql_base.cc

@@ -2409,7 +2409,6 @@ void abort_locked_tables(THD *thd,const char *db, const char *table_name)
 
     share is non-NULL
     The LOCK_open mutex is locked
-    The share->mutex is locked
 
   POST-CONDITION(S)
 
@@ -2429,7 +2428,6 @@ void assign_new_table_id(TABLE_SHARE *share)
   /* Preconditions */
   DBUG_ASSERT(share != NULL);
   safe_mutex_assert_owner(&LOCK_open);
-  safe_mutex_assert_owner(&share->mutex);
 
   ulong tid= ++last_table_id;                   /* get next id */
   /*