After merge fixes for WL#1218 "Triggers"

mysql-test/t/trigger.test:
  After merge fix, error codes corrected.
sql/sp_head.cc:
  After mrege fix. Fixed typo.
sql/sql_trigger.cc:
  After merge fix. wait_if_gloabl_read_lock has one more argument now.

mysql-test/t/trigger.test

@@ -151,15 +151,15 @@ drop table t1;
 #
 create table t1 (i int);
 
---error 1362
+--error 1363
 create trigger trg before insert on t1 for each row set @a:= old.i;
---error 1362
+--error 1363
 create trigger trg before delete on t1 for each row set @a:= new.i;
---error 1361
-create trigger trg before update on t1 for each row set old.i:=1;
 --error 1362
+create trigger trg before update on t1 for each row set old.i:=1;
+--error 1363
 create trigger trg before delete on t1 for each row set new.i:=1;
---error 1361
+--error 1362
 create trigger trg after update on t1 for each row set new.i:=1;
 # TODO: We should also test wrong field names here, we don't do it now
 #       because proper error handling is not in place yet.
@@ -173,23 +173,23 @@ create trigger trg after update on t1 for each row set new.i:=1;
 create trigger trg before insert on t2 for each row set @a:=1;
 
 create trigger trg before insert on t1 for each row set @a:=1;
---error 1358
+--error 1359
 create trigger trg after insert on t1 for each row set @a:=1;
---error 1358
+--error 1359
 create trigger trg2 before insert on t1 for each row set @a:=1;
 drop trigger t1.trg;
 
---error 1359
+--error 1360
 drop trigger t1.trg;
 
 create view v1 as select * from t1;
---error 1360
+--error 1361
 create trigger trg before insert on v1 for each row set @a:=1;
 drop view v1;
 
 drop table t1;
 
 create temporary table t1 (i int);
---error 1360
+--error 1361
 create trigger trg before insert on t1 for each row set @a:=1;
 drop table t1;

sql/sp_head.cc

@@ -311,9 +311,8 @@ sp_head::init_strings(THD *thd, LEX *lex, sp_name *name)
   }
   else if (thd->db)
   {
-    m_db.length= thd->db_length
+    m_db.length= thd->db_length;
     m_db.str= strmake_root(root, thd->db, m_db.length);
-
   }
 
   if (m_param_begin && m_param_end)

sql/sql_trigger.cc

@@ -88,7 +88,7 @@ int mysql_create_or_drop_trigger(THD *thd, TABLE_LIST *tables, bool create)
     again until we are done. (Acquiring LOCK_open is not enough because
     global read lock is held without helding LOCK_open).
   */
-  if (wait_if_global_read_lock(thd, 0))
+  if (wait_if_global_read_lock(thd, 0, 0))
     DBUG_RETURN(-1);
 
   VOID(pthread_mutex_lock(&LOCK_open));