Fix 218f40e: Warning about 32-bit shift implicitly converted to 64 bits

src/script/api/script_cargo.cpp

@@ -31,7 +31,7 @@
 {
 	if (!IsValidCargo(cargo_type)) return nullptr;
 
-	::SetDParam(0, 1 << cargo_type);
+	::SetDParam(0, 1ULL << cargo_type);
 	return GetString(STR_JUST_CARGO_LIST);
 }
 
@@ -80,4 +80,4 @@
 {
 	if (!ScriptCargo::IsValidCargo(cargo_type)) return INVALID_DISTRIBUTION_TYPE;
 	return (ScriptCargo::DistributionType)_settings_game.linkgraph.GetDistributionType(cargo_type);
-}
+}