non-openssl build fixes

[Reuben Hawkins]

done: bug 2388.

On Wed, Apr 22, 2015 at 6:38 PM, Damien Miller <djm at mindrot.org> wrote:
> Thanks! Could I ask you to please create a bug at
> https://bugzilla.mindrot.org and attach the patches to it?
>
> -d
>
> On Wed, 22 Apr 2015, Reuben Hawkins wrote:
>
>> The attached patches fixes and cleans up the build when configured
>> with --without-openssl.
>>
>> Summary:
>> * Fix KEX_SERVER_ENCRYPT macro in myproposal.h
>> * Fix unresolved symbols in ssh-keygen.c
>> * Isolate openssl code and extend WITH_OPENSSL wrappers around it
>> * Make ed25519 default key type in ssh-keygen when configured --without-openssl
>>