Merge pull request #2210 from stephentoub/semaphore_in_mscorlib
authorJan Kotas <jkotas@microsoft.com>
Thu, 3 Dec 2015 16:41:17 +0000 (08:41 -0800)
committerJan Kotas <jkotas@microsoft.com>
Thu, 3 Dec 2015 16:41:17 +0000 (08:41 -0800)
Port System.Threading.Semaphore from corefx to mscorlib


Trivial merge