Fix a bug that caused anonymous write access over ra_svn to fail with "Authorization failed" errors.
Fix a bug that caused anonymous write access over ra_svn to fail
with "Authorization failed" errors.

Patch by: philip

* subversion/svnserve/serve.c
  (commit): Don't require a username if there are no lock tokens.

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