Fix segfault when using kwallet support.
Fix segfault when using kwallet support.

apr_pool_cleanup_register does not accept NULL values for the callbacks.

* subversion/libsvn_auth_kwallet/kwallet.cpp
  (kwallet_password_get,kwallet_password_set): Use apr_pool_cleanup_null
    instead of NULL.

Patch by: Lekensteyn <lekensteyn@gmail.com>
(lines wrapped by me)


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1421103 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion