erlang: Separate out thrift_protocol:read_specific

By giving a different name to the function that reads from the
protocol implementation, we can get a slightly more enforcible spec.

git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@990977 13f79535-47bb-0310-9956-ffa450edef68
2 files changed