Add logdata to ttl

Summary: Ttl-write makes a new writebatch and calls Write on the base db. It should recognize LogData also

Test Plan: make

Reviewers: dhruba, haobo

Reviewed By: haobo

CC: leveldb

Differential Revision: https://reviews.facebook.net/D12747

utilities/ttl/db_ttl.cc

@@ -205,6 +205,9 @@ Status DBWithTTL::Write(const WriteOptions& opts, WriteBatch* updates) {
     virtual void Delete(const Slice& key) {
       updates_ttl.Delete(key);
     }
+    virtual void LogData(const Slice& blob) {
+      updates_ttl.PutLogData(blob);
+    }
   };
   Handler handler;
   updates->Iterate(&handler);