Merge branch 'rj/sparse-updates'

Devtool update. * rj/sparse-updates: Makefile: suppress a sparse warning for pack-revindex.c config.mak.uname: remove SPARSE_FLAGS setting for cygwin

Junio C Hamano committed Feb 27, 2018 at 10:33 UTC 14599b48c0a145452db4363f4eee4d3fc6187d05

No changes.