Fix to #389 & #260
Fix to #389 & #260

When selling vehicles the switch was not exited and caused bugs related
to agent equipment.

steveschnepp/OpenApoc,FranciscoDA/OpenApoc,steveschnepp/OpenApoc,FranciscoDA/OpenApoc,pmprog/OpenApoc,FranciscoDA/OpenApoc,Istrebitel/OpenApoc,pmprog/OpenApoc,Istrebitel/OpenApoc