[Swan-commit] Changes to ref refs/heads/main

[Andrew Cagney]

New commits:
commit b75d2427b6da457551de8dac1c810b40c8fc26dd
Author: Andrew Cagney <cagney at gnu.org>
Date:   Wed Oct 28 16:28:22 2020 -0400

    virtual: cleanups
    
    - struct virtual_t -> struct virtual_ip
    - virtual.[hc] -> virtual_ip.[hc]
    - only include where needed
    - sprinkle pexpect(.virt == NULL) anywhere .virt is clobbered