ra_serf: fix merge_tests 33. A DELETE request can result in a 404 status when the item was already deleted in this transaction (activity), so we shouldn't consider it an error.
ra_serf: fix merge_tests 33. A DELETE request can result in a 404 status when
the item was already deleted in this transaction (activity), so we shouldn't
consider it an error.

* subversion/libsvn_ra_serf/commit.c
  (delete_entry): add 404 as acceptable status code.

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