* java/net/Socket.java (Socket (SocketImpl)): Don't allow null SocketImpl. Update Javadoc. (bind): Call close() not impl.close() in event of exception. (connect): Likewise. Remove superfluous null checks throughout. * java/net/ServerSocket.java (ServerSocket (int, int, InetAddress)): Don't create an extra socket. Fix for PR libgcj/10868. (bind): Clean up exception handling. Remove superfluous null checks throughout. From-SVN: r70219