* gnu/java/nio/FileChannelImpl.java
	(address): Removed.
	(map_address): New member variable.
	(length): Make it package private.
	(fd): Make it package private.
	(buf): Make it package private.
	(file_obj): Make it package private.
	(FileChannelImpl): New constructor.
	(nio_mmap_file): Use RawData instead of long.
	(nio_munmap_file): Use RawData instead of long.
	(nio_msync): Use RawData instead of long.
	(implCloseChannel): New implementation using map_address.
	(read): Reformated.
	(map): Implemented.
	(create_direct_mapped_buffer): Implemented, use RawData, throws
	IOException.
	(force): Use map_address instead of address.
	* gnu/java/nio/MappedByteFileBuffer.java
	(address): Removed.
	(map_address): New member variable.
	(MappedByteFileBuffer): Use map_address instead of address, reformated.
	(several methods): Use map_address instead of address, replaced long
	with RawData where appropriate.
	* gnu/java/nio/natFileChannelImpl.cc
	(nio_mmap_file): Replaced long with RawData.
	(nio_munmap_file): Replaced long with RawData.
	(nio_msync): Replaced long with RawData.
	* gnu/java/nio/natMappedByteFileBuffer.cc
	(several methods): Replaced long with RawData where appropriate.

From-SVN: r64612