-- reset all state when seeking to a chunk

Summary:
- this was causing some bizarre issues with seeking to a particular point in the log
- I can't believe we haven't run into this before

Reviewed By: jwang

Test Plan: replayed log file from a partiicular point


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665242 13f79535-47bb-0310-9956-ffa450edef68
1 file changed