On the 'auth-notification' branch:
Finish populating the auth provider names.

* subversion/libsvn_auth_gnome_keyring/gnome_keyring.c,
* subversion/libsvn_auth_kwallet/kwallet.cpp,
* subversion/libsvn_subr/gpg_agent.c,
* subversion/libsvn_subr/macos_keychain.c,
* subversion/libsvn_subr/ssl_client_cert_providers.c,
* subversion/libsvn_subr/ssl_client_cert_pw_providers.c,
* subversion/libsvn_subr/ssl_server_trust_providers.c,
* subversion/libsvn_subr/username_providers.c,
* subversion/libsvn_subr/win32_crypto.c
  Also initialize (to non-NULL) the "provider_name"
  svn_auth_provider_t member.



git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/auth-notification@1484921 13f79535-47bb-0310-9956-ffa450edef68