Merge pull request #715 from junmin-kim/svace_lwip
authordavidfather <seongil.hahm@gmail.com>
Thu, 28 Sep 2017 07:58:22 +0000 (16:58 +0900)
committerGitHub <noreply@github.com>
Thu, 28 Sep 2017 07:58:22 +0000 (16:58 +0900)
Add NULL check in send_tcp function


Trivial merge