tree 1e5c8eb9189446bdf16cc5890efd3c0b60bf8b21
parent 34074f4ff54a0c922272140a7da3ae1050ebe66c
author Paladox none <thomasmulhall410@yahoo.com> 1514503598 +0000
committer Paladox none <thomasmulhall410@yahoo.com> 1518996708 +0000

PropertyExtractor: Add null check for event.submitter

If the change was open, it would cause event.submitter to be
null. Fix this by adding a null check.

Gerrit's core does the same thing.

Bug: Issue 8051
Change-Id: I0690e184ba50ea1e60176e8be5af34c43a80393e