Merge pull request dotnet/coreclr#11083 from AndyAyersMS/FixNonDevUseOfCheckProjects
authorAndy Ayers <andya@microsoft.com>
Thu, 20 Apr 2017 00:21:23 +0000 (17:21 -0700)
committerGitHub <noreply@github.com>
Thu, 20 Apr 2017 00:21:23 +0000 (17:21 -0700)
Update CheckProjects to not fail for non-dev CORE_ROOT

Commit migrated from https://github.com/dotnet/coreclr/commit/1e33123db8781f5d779ca992ef8f4b672a7d4533


Trivial merge