bug#19044: 'guix-register -p' should perform deduplication

[Ludovic Courtès]

l...@gnu.org (Ludovic Courtès) skribis:

> When used with -p (as is the case when building a disk/VM image),
> ‘guix-register’ doesn’t do any deduplication in the target store

Fixed in 3697558.

Ludo’.