Bug#38145: .frm file isn't sync'd with sync_frm enabled

Views weren't sync()d the same way other structures were.

In creating the FRM for views, obey the same rules for variable 
"sync_frm" as for everything else.

sql/parse_file.cc

@@ -263,6 +263,11 @@ sql_create_definition_file(const LEX_STRING *dir, const LEX_STRING *file_name,
   if (end_io_cache(&file))
     goto err_w_file;
 
+  if (opt_sync_frm) {
+    if (my_sync(handler, MYF(MY_WME)))
+      goto err_w_file;
+  }
+
   if (my_close(handler, MYF(MY_WME)))
   {
     DBUG_RETURN(TRUE);