libgcrypt fails to compile with Xcode 9 against iOS 11 SDK

[R0b0t1]

Hello friend!

On Wed, Oct 4, 2017 at 9:57 PM, Chris Ballinger
<chrisballinger at gmail.com> wrote:
> Resending again because I think it bounced?
>

The list received it. You may want to ask on the GCC mailing list
after attempting to read some documentation. Hopefully they can
explain the error well enough to make the fix obvious.

Cheers,
     R0b0t1