CleverRaven/Cataclysm-DDA — pull request #4085 by Falconne (2013-11-02 21:51:08+00:00)
Title: Protect against possibly NULL pointer being referenced

VS projects won't build after a recent change to the vehicle pile-up code, due to an error about a possibly uninitialized pointer. In some rare cases add_vehicle() can actually return NULL, so it's actually a good idea to check for this anyway.