pkg/54809: Enable kdf in security/scrypt

[alnsn%netbsd.org@localhost]

>Number:         54809
>Category:       pkg
>Synopsis:       Enable kdf in security/scrypt
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Mon Dec 30 00:25:00 +0000 2019
>Originator:     Alexander Nasonov
>Release:        NetBSD 8.0_STABLE
>Organization:
	XMM SWAP LTD
>Environment:
System: NetBSD mollari.NetBSD.org 8.0_STABLE NetBSD 8.0_STABLE (amd64-DOMU_SERVER) #11: Fri Mar 15 22:42:07 UTC 2019 spz%franklin.NetBSD.org@localhost:/home/netbsd/8/amd64/obj/sys/arch/amd64/compile/amd64-DOMU_SERVER amd64
Architecture: x86_64
Machine: amd64
>Description:
	Pass --enable-libscrypt-kdf to ./configure either unconditionally
	or as an option.
>How-To-Repeat:
	Not a bug, nothing to reproduce.
>Fix:
	Patch is here https://www.netbsd.org/~alnsn/scrypt-kdf.patch