Fix incorrect pool usage and possible access to freed memory.
Fix incorrect pool usage and possible access to freed memory.

* subversion/libsvn_ra_serf/util.c
  (svn_ra_serf__handle_discard_body): Allocate stringbuf for collecting 
   CDATA in parser pool, instead of scratch pool.

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