Minor shifts in code, and removal of a pool.
Minor shifts in code, and removal of a pool.

* subversion/libsvn_ra_serf/update.c:
  (report_fetch_t): remove the POOL member. unused.
  (fetch_file): remove initialization of POOL.
  (finish_report): tighten scope on some variables. create ITERPOOL
    earlier, and destroy later, in order to use more broadly.
  (svn_ra_serf__get_file): tighten scope of HANDLER.

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