www/mod_dav has been removed from ports. Remove residual patch
make www/mod_auth_bsd build on Bitrig
make www/mod_auth_kerb build on Bitrig
make www/mod_auth_ldap build on Bitrig
make www/mod_auth_mysql build on Bitrig
make www/mod_auth_pgsql build on Bitrig
make www/mod_auth_radius build on Bitrig
make www/mod_bandwidth build on Bitrig
make www/mod_encoding build on Bitrig
make www/mod_fastcgi build on Bitrig
make www/mod_geoip build on Bitrig
make www/mod_gzip build on Bitrig
make www/mod_jk build on Bitrig
make www/mod_layout build on Bitrig
make www/mod_ldapvhost build on Bitrig
make www/mod_log_sql build on Bitrig
make www/mod_mp3 build on Bitrig
make www/mod_random build on Bitrig
make www/mod_ruby build on Bitrig
make www/mod_scgi build on Bitrig