ra_serf: Allocate all RA session variables inside of the session pool; fix one abort() case where there's something obvious for us to report.
ra_serf: Allocate all RA session variables inside of the session pool; fix
one abort() case where there's something obvious for us to report.

* subversion/libsvn_ra_serf/serf.c
  (svn_ra_serf__open): Allocate everything inside of the subpool.
  (svn_ra_serf__get_uuid): Instead of an abort(), return an error.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@865444 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion