Log Message:
Update p5-FreezeThaw to version 0.43.

Changes since version 0.41:
===========================

Version 0.42:
	Fix test for a change of string representation of Math::BigInt.
	Support qr// objects (via UNIVERSAL, so if Regexp supports
		(de)serialization methods, they will be used instead).
	`use strict'-complient.
Version 0.43:
	Correct save/restore of overloaded values, including repeated refs.