Refactor code related to issue #2983.  Introduces a slight increase in time for retention of memory related to a single dump file record (by way of pool lifetime).
Refactor code related to issue #2983.  Introduces a slight increase in
time for retention of memory related to a single dump file record (by
way of pool lifetime).

* subversion/libsvn_repos/load.c
  (parse_property_block): Move code which handles parent paths from here...
  (set_node_property): ...to here.

Suggested by: kameshj

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