Don't include <gcrypt.h> when not necessary

[Nikos Mavrogiannopoulos]

On 04/12/2011 11:37 PM, Ludovic Courtès wrote:
> Hello,
> 
> For the record I just pushed this patch, which allows compilation
> without libgcrypt:
>   http://git.savannah.gnu.org/cgit/gnutls.git/commit/?h=gnutls_2_12_x&id=da7563294b63d006a15c8bdcbb3d6d4d87b72558

Thanks. I've applied it to master as well.

regards,
Nikos