* subversion/include/svn_config.h
  (svn_config_walk_auth_data): Note that deleting creds from the
    config store doesn't also delete them from third-party providers.

git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1466442 13f79535-47bb-0310-9956-ffa450edef68