Change 140 on 1998/05/23 by <gbarr@pobox.com> (Graham Barr)

	Fix type in errno.pl

Change 139 on 1998/05/23 by <gbarr@pobox.com> (Graham Barr)

	Moved code to generate Errno.pm into errno.pl

Change 136 on 1998/05/19 by <gbarr@pobox.com> (Graham Barr)

	Changed to use cpp to locate constants
	
	Added t/errno.t