* gnu/java/nio/DatagramChannelImpl.java
	(getNativeFD): Use getPlainDatagramSocketImpl().
	* gnu/java/nio/NIODatagramSocket.java
	(getPlainDatagramSocketImpl): Renamed from getImpl().
	* gnu/java/nio/NIOSocket.java
	(getPlainSocketImpl): Renamed from getImpl().
	(setChannel): Use getPlainSocketImpl().
	* gnu/java/nio/SocketChannelImpl.java
	(SocketChannelImpl): Use getPlainSocketImpl().
	(getPlainSocketImpl): Renamed from getImpl().
	(getNativeFD): Use getPlainSocketImpl().

From-SVN: r73840