Fixing style mistake on a class member variable.
Fixing style mistake on a class member variable.

Change-Id: I4f1daddc75906e9303f254597d952351060ef6ed

klemmster/TheiaSfM,zhanshenman/TheiaSfM,klemmster/TheiaSfM,rajvishah/TheiaSfM,mylxiaoyi/TheiaSfM,zhanshenman/TheiaSfM,zhanshenman/TheiaSfM,mylxiaoyi/TheiaSfM,zhanshenman/TheiaSfM,mylxiaoyi/TheiaSfM,mylxiaoyi/TheiaSfM,mylxiaoyi/TheiaSfM,klemmster/TheiaSfM,rajvishah/TheiaSfM,rajvishah/TheiaSfM,klemmster/TheiaSfM,klemmster/TheiaSfM,rajvishah/TheiaSfM,zhanshenman/TheiaSfM