* gnu/java/nio/DatagramChannelImpl.java
	(getNativeFD): New method.
	* gnu/java/nio/SelectionKeyImpl.java
	(SelectionKeyImpl): Class made abstract.
	(fd): Removed.
	(SelectionKeyImpl): Remove fd argument.
	(getNativeFD): New method.
	* gnu/java/nio/SocketChannelImpl.java
	(getNativeFD): New method.
	gnu/java/nio/DatagramChannelSelectionKey.java,
	* gnu/java/nio/SocketChannelSelectionKey.java:
	New files.
	* Makefile.am (ordinary_java_source_files):
	Added new files gnu/java/nio/DatagramChannelSelectionKey.java and
	gnu/java/nio/SocketChannelSelectionKey.java.
	* Makefile.in: Regenerated.

From-SVN: r71797