(svn r6627) -Fix r6624: fixed some warnings

Now it happened again. Somebody got warnings, that I didn't get... I will look into this issue

order.h

@@ -191,6 +191,8 @@ static inline Order UnpackOrder(uint32 packed)
 	order.dest    = GB(packed, 16, 16);
 	order.next    = NULL;
 	order.index   = 0; // avoid compiler warning
+	order.refit_cargo   = CT_INVALID;
+	order.refit_subtype = 0;
 	return order;
 }