Merge pull request dotnet/coreclr#17623 from weshaggard/wesh/addlinuxmusl
authorWes Haggard <weshaggard@users.noreply.github.com>
Wed, 18 Apr 2018 00:09:55 +0000 (17:09 -0700)
committerGitHub <noreply@github.com>
Wed, 18 Apr 2018 00:09:55 +0000 (17:09 -0700)
Add linux-musl build leg

Commit migrated from https://github.com/dotnet/coreclr/commit/b61adce68c3e9cfe6468b965f9f06eb49da99343


Trivial merge