Bug#972315: sysvinit still misses B-D: libcrypt-dev

[Jesse Smith]

> 
> As this is a change in upstream code, I've submitted a PR there:
>     https://github.com/slicer69/sysvinit/pull/15
> 
> Do you intend to drop the build-essentiality of libcrypt-dev shortly?  If
> not, I'd just let the PR go through the normal flow towards next upstream
> release then the package.


This change to the Makefile has been applied upstream and will appear in
the sysvinit 3.06 release.

- Jesse