[PATCH] server: rewrite to use all attributes for group in create_token

[Marvin]

Hi,

While running your changed tests, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=51888

Your paranoid android.


=== debian9 (build log) ===

../../wine/server/token.c:584:47: error: ‘struct group’ has no member named ‘owner’
Makefile:802: recipe for target 'token.o' failed
Makefile:8911: recipe for target 'server' failed
Task: The win32 build failed

=== debian9 (build log) ===

../../wine/server/token.c:584:47: error: ‘struct group’ has no member named ‘owner’
Makefile:802: recipe for target 'token.o' failed
Makefile:8652: recipe for target 'server' failed
Task: The wow64 build failed