Clear variable

mysql-test/r/view_grant.result:
  Drop things that may be left from old runs
mysql-test/t/view_grant.test:
  Drop things that may be left from old runs

mysql-test/r/view_grant.result

+drop database if exists mysqltest;
+drop view if exists v1;
 grant create view on test.* to test@localhost;
 show grants for test@localhost;
 Grants for test@localhost

mysql-test/t/view_grant.test

 # Can't test with embedded server
 -- source include/not_embedded.inc
 
+--disable_warnings
+drop database if exists mysqltest;
+drop view if exists v1;
+--enable_warnings
+
+
 # simple test of grants
 grant create view on test.* to test@localhost;
 show grants for test@localhost;

sql/sql_view.cc

@@ -1175,7 +1175,7 @@ bool mysql_drop_view(THD *thd, TABLE_LIST *views, enum_drop_mode drop_mode)
   for (view= views; view; view= view->next_local)
   {
     TABLE_SHARE *share;
-    bool type;
+    bool type= 0;
     strxnmov(path, FN_REFLEN-1, mysql_data_home, "/", view->db, "/",
              view->table_name, reg_ext, NullS);
     (void) unpack_filename(path, path);