Merge pull request dotnet/corefx#9667 from stephentoub/update_buildtools
authorStephen Toub <stoub@microsoft.com>
Fri, 24 Jun 2016 16:11:58 +0000 (12:11 -0400)
committerGitHub <noreply@github.com>
Fri, 24 Jun 2016 16:11:58 +0000 (12:11 -0400)
Update buildtools to 524-01

Commit migrated from https://github.com/dotnet/corefx/commit/a9744db98444bd35af4a21066226178578252805


Trivial merge