(svn r25959) -Fix: clang warnings; either because type safety was assumed, or because technically the wrong value was tested

src/vehiclelist.cpp

@@ -21,9 +21,10 @@ uint32 VehicleListIdentifier::Pack()
 {
 	byte c = this->company == OWNER_NONE ? 0xF : (byte)this->company;
 	assert(c             < (1 <<  4));
-	assert(this->type    < (1 <<  3));
 	assert(this->vtype   < (1 <<  2));
 	assert(this->index   < (1 << 20));
+	assert(this->type    < VLT_END);
+	assert_compile(VLT_END <= (1 <<  3));
 
 	return c << 28 | this->type << 23 | this->vtype << 26 | this->index;
 }