Hosts remain nested in invisible nest

[ZDashe]

Bug Description:
When a nest gets destroyed with a marine buckled into it, he can't be freed by other marines.

inv_nest_1_converted.jpg

inv_nest_2_converted.jpg

Steps to reproduce:
1. Toss an incendiary nade on a nested marine.
2. Watch the fire cleanse the weeds, nest, and the marine's soul.
3. Hail to the gods, for the sacrifice is ready, and no one else shall interrupt the offering.