Fix a memory leak in TBinaryProtocol.

Summary:
realloc doesn't free the original pointer when it returns null.

Reviewed By: cpiro

Test Plan: make check

TracCamp Project: Thrift

Revert Plan: ok


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665626 13f79535-47bb-0310-9956-ffa450edef68
1 file changed