For get_file_revs(): Only use the duplicate_revisions hash when including merged revisions, because that's the only scenario when duplicates are possible.
For get_file_revs(): Only use the duplicate_revisions hash when including
merged revisions, because that's the only scenario when duplicates are
possible.

* subversion/libsvn_repos/rev_hunt.c
  (find_interesting_revisions): Make use of the duplicate_path_revs hash
   conditional on include_merged_revisions.

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