Fix more bug fallout from the recent dont-store-plaintext-passwords feature branch merge.
Fix more bug fallout from the recent dont-store-plaintext-passwords
feature branch merge.

* subversion/libsvn_subr/cmdline.c
  (svn_cmdline_setup_auth_baton): Keep non-prompting providers ahead
    of prompting ones.  Otherwise, even if Subversion finds valid cached
    auth creds, it still asks you for more, which is ... non-ideal.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion