[PATCH] Destroy the APR subpools

Hello,

This is a follow-up patch for r23204 for destroying the APR subpools
before every successful return statement. Please review this patch.
Thank you.

[[
Destroy the APR subpool before every successful return statement.

* subversion/svnadmin/main.c
  (subcommand_rmlocks):
* subversion/libsvn_wc/update_editor.c
  (make_editor):
* subversion/svnsync/main.c
  (do_synchronize):
  Destroy the APR subpool before the successful return statement.
* subversion/libsvn_repos/log.c
  (get_history): If the history item predates the START revision, then
  destroy the APR subpool and info->oldpool.
* subversion/libsvn_delta/path_driver.c
  (open_dir): Destroy the APR subpool.
  (svn_delta_path_driver): Destroy the APR subpool and iteration pool to
  prevent iterative pool creation.

Patch by: bhuvan
]]

-- 
Regards,
Bhuvaneswaran