* gnu/java/nio/DatagramChannelImpl.java
	(blocking): Removed.
	(DatagramChannelImpl): Call configureBlocking().
	(implConfigureBlocking): Dont initialize blocking.
	* gnu/java/nio/ServerSocketChannelImpl.java
	(blocking): Removed.
	(ServerSocketChannelImpl): Call configureBlocking().
	(implConfigureBlocking): Dont initialize blocking.
	* gnu/java/nio/SocketChannelImpl.java
	(blocking): Removed.
	(SocketChannelImpl): Call configureBlocking().
	(implConfigureBlocking): Dont initialize blocking.
	(connect): Use isBlocking().
	* java/nio/channels/spi/AbstractSelectableChannel.java
	(configureBlocking): Use blockingLock() instead of LOCK.
	Set blocking after successfully called implConfigureBlocking().
	(register): Use blockingLock() instead of LOCK.

From-SVN: r75507