Merge pull request #507 from cr1901/msys2
authorClifford Wolf <clifford@clifford.at>
Mon, 19 Feb 2018 18:32:11 +0000 (19:32 +0100)
committerGitHub <noreply@github.com>
Mon, 19 Feb 2018 18:32:11 +0000 (19:32 +0100)
Improve msys2 flags for building abc.


Trivial merge