Ensure that expat_response_handler deals with all of the transient errors correctly.
Ensure that expat_response_handler deals with all of the transient errors
correctly.

* subversion/libsvn_ra_serf/util.c
  (expat_response_handler): All error codes that are transient should be
  bubbled up - not just EAGAIN & EOF.

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