`BIOCIMMEDIATE' undeclared in dsniff and firewalk

[Pratt, Benjamin E.]

Hello -

I'm trying to build dsniff-2.3 and firewalk-5.0 from the ports tree but
in each build I get the error:

	error: `BIOCIMMEDIATE' undeclared (first use in this function)

I'm not sure what the issue is and when I searched Google I didn't find
any answers either so I thought I'd come here and ask.  I'm running
FreeBSD 5.2.1-RELEASE-p3 #0: Thu Mar 18 20:46:44 CST 2004 and have
updated my ports tree using cvsup just before I got these errors.

Thanks for any help,

Ben