Make all mergeinfo C tests check svn_merge_range_t's inheritable field.
Make all mergeinfo C tests check svn_merge_range_t's inheritable field.

* subversion/tests/libsvn_subr/mergeinfo-test.c:
  (verify_mergeinfo_parse, verify_ranges_match): Check inheritable field too.
  (mergeinfo_ranges, test_diff_mergeinfo, test_rangelist_reverse,
  test_remove_mergeinfo): Explicitly include 'inheritable' field in all
  svn_merge_range_t array initializations.

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