Merge branch 'ab/sha1dc-maint' into maint

Update the sha1dc again to fix portability glitches. * ab/sha1dc-maint: sha1dc: update from upstream

Junio C Hamano committed Jul 10, 2017 at 13:59 UTC 362009f8cff3a592194bc1aa204580a7578078a6

No changes.