[PATCH] cli/lib: remove support for GMime 2.4

[David Bremner]

David Bremner <david at tethera.net> writes:

> It's becoming a maintenance burden to do anything things with the
> crypto glue code twice, once for 2.4 and once for 2.6. I don't have
> any 2.4 version available to test on my development machine anymore,
> so the 2.4 specific code paths are likely not very well tested.

I have pushed this change, along with a minimal note in NEWS

d