Fix for Branko's failing diff tests on HP.
Fix for Branko's failing diff tests on HP.

* subversion/libsvn_diff/diff_file.c

  (map_or_read_file): Clear out the mm when apr_mmap_create fails.

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