If a list has a custom CPP type, use push_back

Summary: Can't deserialize by reference into std::list, for example

Reviewed By: dweatherford

Test Plan: Build feed


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665451 13f79535-47bb-0310-9956-ffa450edef68
2 files changed