* devices.h: Move a few device major numbers. Fix typo of FH_UDP.

	* devices.h: Move a few device major numbers.  Fix typo of FH_UDP.
	* device.shilka: Remove /dev/hd device entries, rename all device_hd*
	to device_sd*.
	(device::parse): Disallow units outside lower and upper bounds.
	* dtable.cc (build_fh_pc): Fix typo of FH_UDP.
	* path.cc (win32_device_name): Fix win32 name creation to match new
	device handling.