ra_serf: Fix compiler warnings when building with serf 0.2.
ra_serf: Fix compiler warnings when building with serf 0.2.

* subversion/libsvn_ra_serf/util.c
  (svn_ra_serf__cleanup_serf_session): Move declaration of variables inside
   the conditional section.

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