Change 'sudo' to use /var/lib instead of /var/db.

app-admin/sudo/sudo-1.7.4_p4.ebuild

 # Copyright 1999-2010 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/app-admin/sudo/sudo-1.7.4_p4.ebuild,v 1.6 2010/10/24 15:20:02 armin76 Exp $
 
 inherit eutils pam
 
 MY_P=${P/_/}
 MY_P=${MY_P/beta/b}
 
 case "${P}" in
@@ skipping 157 matching lines @@
         # audit: somebody got to explain me how I can test this before I
         # enable it.. — Diego
         econf --with-secure-path="${ROOTPATH}" \
                 --with-editor=/usr/libexec/gentoo-editor \
                 --with-env-editor \
                 $(use_with offensive insults) \
                 $(use_with offensive all-insults) \
                 $(use_with ldap ldap_conf_file /etc/ldap.conf.sudo) \
                 $(use_with ldap) \
                 --without-linux-audit \
-                --with-timedir=/var/db/sudo \
+                --with-timedir=/var/lib/sudo \
                 --docdir=/usr/share/doc/${PF} \
                 ${myconf}
 
         emake || die
 }
 
 src_install() {
         emake DESTDIR="${D}" install || die
 
         if use ldap; then
@@ skipping 12 matching lines @@
                 doins "${T}"/ldap.conf.sudo
                 fperms 0440 /etc/ldap.conf.sudo
         fi
 
         pamd_mimic system-auth sudo auth account session
 
         insinto /etc
         doins "${S}"/sudoers
         fperms 0440 /etc/sudoers
 
-        keepdir /var/db/sudo
-        fperms 0700 /var/db/sudo
+        keepdir /var/lib/sudo
+        fperms 0700 /var/lib/sudo
 }
 
 pkg_postinst() {
         if use ldap; then
                 ewarn
                 ewarn "sudo uses the /etc/ldap.conf.sudo file for ldap configuration."
                 ewarn
                 if egrep -q '^[[:space:]]*sudoers:' "${ROOT}"/etc/nsswitch.conf; then
                         ewarn "In 1.7 series, LDAP is no more consulted, unless explicitly"
                         ewarn "configured in /etc/nsswitch.conf."
                         ewarn
                         ewarn "To make use of LDAP, add this line to your /etc/nsswitch.conf:"
                         ewarn "  sudoers: ldap files"
                         ewarn
                 fi
         fi
 
         elog "To use the -A (askpass) option, you need to install a compatible"
         elog "password program from the following list. Starred packages will"
         elog "automatically register for the use with sudo (but will not force"
         elog "the -A option):"
         elog ""
         elog " [*] net-misc/ssh-askpass-fullscreen"
         elog "     net-misc/x11-ssh-askpass"
         elog ""
         elog "You can override the choice by setting the SUDO_ASKPASS environmnent"
         elog "variable to the program you want to use."
 }