Merge fix for bug 38145 from 5.0.

sql/parse_file.cc

@@ -266,6 +266,11 @@ 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);

sql/unireg.cc

@@ -92,8 +92,8 @@ handle_error(uint sql_errno,
     db_file		Handler to use. May be zero, in which case we use
 			create_info->db_type
   RETURN
-    0  ok
-    1  error
+    false  ok
+    true   error
 */
 
 bool mysql_create_frm(THD *thd, const char *file_name,