(svn r11758) -Fix(ette): Populate 'void' cargo slots (unused slots in temperate and arctic) with default data as per pre-newcargo support. These slots are still disabled by default, but some NewGRFs (erroneously?) expect the default data.

src/cargotype.cpp

@@ -37,7 +37,7 @@ void SetupCargoForClimate(LandscapeID l)
 		if (cl < lengthof(_default_cargo)) {
 			/* Copy the indexed cargo */
 			_cargo[i] = _default_cargo[cl];
-			SetBit(_cargo_mask, i);
+			if (_cargo[i].bitnum != INVALID_CARGO) SetBit(_cargo_mask, i);
 			continue;
 		}