route: Make sure various route flags are treated as unsigned

route: Make sure various route flags are treated as unsigned

The variables that hold them are already unsigned, make sure
the flags are as well to avoid spurious conversion warnings.

Change-Id: Ib7f78abbcd52c00a32afdea36ef635681ac8e127
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.com>
Acked-by: Arne Schwabe <arne-openvpn@rfc2549.org>
Message-Id: <20250826183902.21252-1-gert@greenie.muc.de>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg32684.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>