Merge branch 'sb/branch-avoid-repeated-strbuf-release' into maint

* sb/branch-avoid-repeated-strbuf-release: branch: reset instead of release a strbuf

Junio C Hamano committed Oct 18, 2017 at 14:19 UTC a116022e03d3ef6b402658a4f41a4840c8463f36

No changes.