tree 99094d75289b535e131b0c377cccdc49a046b5bb
parent 62877c12c2ceb18bf3dc9cc9679b21e9f7f426cb
author Hector Oswaldo Caballero <hector.caballero@ericsson.com> 1514043371 -0500
committer Hugo Arès <hugares@gmail.com> 1518097370 +0000

Fix NPE if change does not exist

If for any reason a change does not exist in the database, a NPE was
thrown when trying to get the list of patch sets.

Change-Id: Id8eec2e3e03652a0db68b85a8191065b570a5e0e