Merge pull request dotnet/coreclr#6502 from russellhadley/errnoFix
authorRussell C Hadley <rhadley@microsoft.com>
Thu, 28 Jul 2016 13:13:31 +0000 (06:13 -0700)
committerGitHub <noreply@github.com>
Thu, 28 Jul 2016 13:13:31 +0000 (06:13 -0700)
Add errno.h to resolve (internal) build break

Commit migrated from https://github.com/dotnet/coreclr/commit/4c5d72ffcdc0a9472aecd32f09fbf266a337dffa


Trivial merge