tree 2814c4e5d18f278ed34f9d754a1deadf5acaffa0
parent 9064b4ed276c286499fa0e10824601a47a19392d
author Simon Rutishauser <simon.rutishauser@pix4d.com> 1432032263 +0200
committer Simon Rutishauser <simon.rutishauser@pix4d.com> 1432048437 +0200

Allow the LossFunction contained in a LossFunctionWrapper to be NULL.
This is consistent with how NULL LossFunctions are treated everywhere
else.

Change-Id: Ic91e39ccb13137fcad7f85e78613a29ecde30d67