Boiler Acid Travels through Cargo Containers

[Casgair]

Bug Description:
When using boiler acid targeting other mobs through cargo containers, the acid will travel through a container as if it's not there. Very easy to cheese marines that are trying to advance around NE barrens.

Steps to reproduce:
1. Be Boiler
2. Middle click marine on other side of cargo container (normal vision blocked)
3. Profit as acid acts as if container is not there

[phil235]

already fixed