ra_serf: Correct pool usage for update report case to avoid sending gibberish.
ra_serf: Correct pool usage for update report case to avoid sending gibberish.

* subversion/libsvn_ra_serf/update.c
  (report_context_t): Add a pool parameter.
  (set_path): Allocate the revision and file name from the report's pool as
  the pool passed to set_path is long-gone by the time we deliver.
  (svn_ra_serf__do_update): Store the pool passed to do_update.

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