Fix a compile bug for when PBTEST_ACTIVE is not defined.
Fix a compile bug for when PBTEST_ACTIVE is not defined.

* subversion/libsvn_ra_serf/util.c:
  (PBTEST_FORCE_SPILL): add a ctx param

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