If the canonical hostname was "localhost", the address info was not freed.
Don't bother checking whether ai_canonname is NULL because if there is no canonical name, getaddrinfo must set ai_canonname to the input name.
Fixes: ca5a6d07dc92ba631b178ec175e6b3fd5295e3d6
-- v2: wineboot: Fix a memory leak in create_computer_name_keys.