Merge pull request dotnet/corefx#9849 from svick/tcpclient-null-client
authorCristian Pop <CIPop@users.noreply.github.com>
Fri, 8 Jul 2016 18:25:20 +0000 (11:25 -0700)
committerGitHub <noreply@github.com>
Fri, 8 Jul 2016 18:25:20 +0000 (11:25 -0700)
Make sure TcpClient properties do not throw when the underlying Socket is null

Commit migrated from https://github.com/dotnet/corefx/commit/d55ba39cd2bc467923b99ec5c5714183d3452041


Trivial merge