Remove socket option SO_REUSEPORT.
Remove socket option SO_REUSEPORT.

It could be made optional in the future, but should not be on by
default.

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