socket: Change resolve flags to unsigned int

socket: Change resolve flags to unsigned int

And use them consistently so to avoid conversion
warnings.

Change-Id: I5ef21e425786a49c90d4b7305c3fb174ab6ddf92
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.com>
Acked-by: Gert Doering <gert@greenie.muc.de>
Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/1131
Message-Id: <20250919154040.17684-1-gert@greenie.muc.de>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg33098.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>