Bug#782676: libgraph-perl: warning about Storable version 2.49_01

[Kevin Ryde]

Niko Tyni <nt...@debian.org> writes:
>
> This warning also affects other packages: using libgraph-d3-perl currently
> triggers it too, see #785031.

Of course it could also be good if Storeable.pm's version number was
actually a number ... :).