FIX TRUCK MZKT_VOLAT V1.0 MOD

FIX FOR TRUCK MZKT_VOLAT V1.0 MOD

Fix for truck MZKT_VOLAT version 1.0 for Euro Truck Simulator 2 (v1.31.x)
Fix for the truck MZKT_VOLAT on the game version 1.31.x
Put above the main mode