ra_serf: Rename a type for clarity.
ra_serf: Rename a type for clarity.

Suggested by: lundblad

* subversion/libsvn_ra_serf/ra_serf.h
  (svn_ra_serf__xml_cdata_element_t): Rename to...
  (svn_ra_serf__xml_cdata_chunk_handler_t): this.
  (svn_ra_serf__xml_parser_t): Adjust for rename.

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