Make the path-fixing code in svnserve catch and correct all paths that are missing their leading '/'.
Make the path-fixing code in svnserve catch and correct all paths that
are missing their leading '/'.

* subversion/svnserve/serve.c
  (authz_check_access): Catch and fix all paths with no leading '/',
    not only "empty string" paths.

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