FramedTransport: Prevent infinite loop when writing

From e6c078ee396cf8e6df11740293718073b33e65c4 Mon Sep 17 00:00:00 2001
From: David Reiss <dreiss@fb.com>
Date: Mon, 14 Jun 2010 20:56:45 +0000
Subject: [PATCH 2/5] TFramedTransport: Prevent infinite loop when writing
>2GB

Test Plan:
Invoked test client with a big enough query to trigger the resize
code. Didn't actually test a 3 GB write.

DiffCamp Revision: 122899
Reviewed By: simpkins
CC: kholst, simpkins, thrift-team@lists
Revert Plan:
ok