another GUB build failure from translations

[Graham Percival]

file from VC not distributed:
lilypond-2.15.40/Documentation/fr/texidocs/broken-crescendo-hairpin.ly
rm -rf /tmp/tmpEc298t
Traceback (most recent call last):
  File "test-lily/dist-check.py", line 137, in <module>
    main ()
  File "test-lily/dist-check.py", line 132, in main
    check_files (tarball, repo)
  File "test-lily/dist-check.py", line 117, in check_files
    raise Exception ('dist error found')
Exception: dist error found
make[3]: *** [unlocked-dist-check] Error 1
make[3]: Leaving directory `/main/src/gub'
make[2]: *** [cached-dist-check] Error 2
make[2]: Leaving directory `/main/src/gub'
make[1]: *** [dist-check] Error 2
make[1]: Leaving directory `/main/src/gub'
make: *** [lilypond] Error 2


- Graham