Make the --disable-ipv6 configure option work.
Make the --disable-ipv6 configure option work.

git-svn-id: eb2ed70f8ecdcb6511b104a3e55a8be155f8dd4a@183 8a0476ba-7714-0410-bd95-fb3ea4a72f84

radarsat1/liblo,johne53/MB3Liblo,island-org/liblo,kneitinger/liblo,kneitinger/liblo,johne53/MB3Liblo,umlaeute/liblo,radarsat1/liblo,tuscland/liblo,radarsat1/liblo,tuscland/liblo,johne53/MB3Liblo,kneitinger/liblo,umlaeute/liblo,tuscland/liblo,johne53/MB3Liblo,island-org/liblo,fsateler/liblo,umlaeute/liblo,island-org/liblo,fsateler/liblo,fsateler/liblo