ra_serf: when querying for the 'get-file-revs-reverse' capability, answer 'No' rather than 'Never heard of that one.'
ra_serf: when querying for the 'get-file-revs-reverse' capability, answer
'No' rather than 'Never heard of that one.'

* subversion/libsvn_ra_serf/options.c
  (options_response_handler): Recognise SVN_RA_CAPABILITY_GET_FILE_REVS_REVERSE.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1498456 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion