Bugfix: wire door status did not update

The wire status for all door outputs (open_X) did not update because of a wrong var.
Fixed the SmallBridge Drop Pod

It's supposed to be "models/smallbridge/vehicles/sbvdroppod1.mdl" instead of "models/smallbridge/vehicles/sbvroppod1.mdl"
Merge branch 'patch-1' of https://github.com/X-Coder/sbep