tree c82c682f91ae4c9ab98a844e9fa570963bc01f8a
parent 6d920bc73e314d1fea2796e9125b00e79cfaa093
author Dave Borowitz <dborowitz@google.com> 1398893111 -0700
committer Dave Borowitz <dborowitz@google.com> 1398893208 -0700

Don't NPE generating CommitJsonData for merges

There is still more work to do to handle merges, but an empty list is
better than an error.

Change-Id: I3efe7fe17f34f6d7f0ba7dcb074ae7374a022361