Fixes bug #15943. resets error flag for show create view command, to allow

proper processing of multiple sql statements sent as a single command.

mysql-test/r/view.result

@@ -2538,3 +2538,13 @@ Warnings:
 Warning	1052	Column 'x' in group statement is ambiguous
 DROP VIEW v1;
 DROP TABLE t1;
+drop table if exists t1; 
+drop view if exists v1; 
+create table t1 (id int); 
+create view v1 as select * from t1; 
+drop table t1; 
+show create view v1; 
+drop view v1;
+//
+View	Create View
+v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select sql_no_cache `test`.`t1`.`id` AS `id` from `t1`

mysql-test/t/view.test

@@ -2380,3 +2380,18 @@ SELECT IF(x IS NULL, 'blank', 'not blank') AS x FROM v1 GROUP BY x;
 
 DROP VIEW v1;
 DROP TABLE t1;
+
+#
+# BUG#15943: mysql_next_result hangs on invalid SHOW CREATE VIEW
+#
+
+delimiter //;
+drop table if exists t1; 
+drop view if exists v1; 
+create table t1 (id int); 
+create view v1 as select * from t1; 
+drop table t1; 
+show create view v1; 
+drop view v1;
+//
+delimiter ;//

sql/sql_show.cc

@@ -365,6 +365,13 @@ mysqld_show_create(THD *thd, TABLE_LIST *table_list)
   {
     if (!table_list->view || thd->net.last_errno != ER_VIEW_INVALID)
       DBUG_RETURN(TRUE);
+
+    /* 
+       Need this for proper processing of multiple sql statements        
+       sent as single command     
+    */    
+    thd->net.report_error= 0;
+
     /*
       Clear all messages with 'error' level status and
       issue a warning with 'warning' level status in