fixed printing of characters casting operartion (BUG#5264)

mysql-test/r/view.result:
  view with cast operation
mysql-test/t/view.test:
  view with cast operation
sql/item_timefunc.cc:
  fixed printing of characters casting operartion

mysql-test/r/view.result

@@ -1238,3 +1238,11 @@ c
 4
 drop view v1;
 drop table t1;
+create view v1 as select cast(1 as char(3));
+show create view v1;
+Table	Create Table
+v1	CREATE VIEW `test`.`v1` AS select cast(1 as char(3) charset latin1) AS `cast(1 as char(3))`
+select * from v1;
+cast(1 as char(3))
+1
+drop view v1;

mysql-test/t/view.test

@@ -1188,3 +1188,11 @@ create view v1(c) as select a+1 from t1 where b >= 4;
 select c from v1 where exists (select * from t1 where a=2 and b=c);
 drop view v1;
 drop table t1;
+
+#
+# view with cast operation
+#
+create view v1 as select cast(1 as char(3));
+show create view v1;
+select * from v1;
+drop view v1;

sql/item_timefunc.cc

@@ -2011,7 +2011,7 @@ void Item_char_typecast::print(String *str)
   if (cast_cs)
   {
     str->append(" charset ", 9);
-    str->append(cast_cs->name);
+    str->append(cast_cs->csname);
   }
   str->append(')');
 }