Merge pull request dotnet/coreclr#5713 from wtgodbe/mutex
authorWilliam Godbe <wigodbe@microsoft.com>
Mon, 13 Jun 2016 18:37:38 +0000 (11:37 -0700)
committerGitHub <noreply@github.com>
Mon, 13 Jun 2016 18:37:38 +0000 (11:37 -0700)
Keep mutex alive to avoid race condition in openmutexpos4 test

Commit migrated from https://github.com/dotnet/coreclr/commit/8ffd7279f2242be6d4b27d1fdb3f04d5947bf1d1


Trivial merge