* Fixed R5 socket definitions to match their actual definitions.
* libnetwork.so now detects at runtime wether or not R5 compatibility should be
enabled or not.
* All socket functions should now be R5 net_server compatible.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19012 a95241bf-73f2-0310-859d-f6bbb57e9c96