Fixed Minor Memory Leak
Fixed Minor Memory Leak

Test Plan: Tested on Ubuntu with Ballpit OAR

Reviewers: martin, clattin, kboswell, rlouden, szielinski

Reviewed By: rlouden, szielinski

Differential Revision: http://cr.irl.ucf.edu/D416

ucfistirl/physx-wrapper,ucfistirl/physx-wrapper