(svn r2514) - Codechange: [NPF] Move the checking of railtype into a funciton IsCompatibleRail().

- Codechange: [NPF] Check the railtype along a route against the engine type instead of against the previouse tile. This clears the way for electriefied rails.
- Add: [NPF] [ 1209644 ] A penalty for crossings (peter1138)

vehicle.c

@@ -368,9 +368,9 @@ Vehicle *GetLastVehicleInChain(Vehicle *v)
 static Vehicle *GetPrevVehicleInChain_bruteforce(const Vehicle *v)
 {
 	Vehicle *u;
-	
+
 	FOR_ALL_VEHICLES(u) if (u->type == VEH_Train && u->next == v) return u;
-	
+
 	return NULL;
 }