MFH: r484765 r484823 r484824

Update to 7.9p1.

• Fixes build on 12, head, and openssl-devel.
• GSSAPI and HPN are currently marked BROKEN as I don't want to block the main update for anyone.
  
  http://www.openssh.com/txt/release-7.8 http://www.openssh.com/txt/release-7.9

• Fix HPN for 7.9p1
• DOCS is required for HPN but it's not exclusively a flavor so needs to be in the default list.
• Fix a build-time OpenSSL version comparison [1]

PR: 233157 [1]
Reported by: Robert Schulze <rs@bytecamp.net> [1]
Obtained from: upstream c0a35265907533be10ca151ac797f34ae0d68969 [1]

• Update KERB_GSSAPI for 7.9p1

Approved by: portmgr (implicit)