Merge branch 'ab/sha1dc-maint' into maint

* ab/sha1dc-maint: sha1dc: update from upstream sha1dc: ignore indent-with-non-tab whitespace violations

Junio C Hamano committed Jun 7, 2017 at 09:31 UTC 76339527ccf7946751174663f9faa686f3f55335

No changes.