0.8.0.40:

	Fix build on non-x86 (confirmed for sparc; probable for the
	others...)
	... we can't WRITE (or FORMAT) as early in cold-init as we
	used to, because *PRINT-PPRINT-DISPATCH* is now unbound for
	typecheck reasons.  Create the FLOAT-REG-SYMBOL vectors at
	read-time instead.