[PATCH 2/2] winecfg: Add /? parameter to print help and valid versions.

[Owen Rudge]

Implements a '/?' parameter to winecfg displaying help and valid Windows 
versions.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=41559
Signed-off-by: Owen Rudge <orudge(a)codeweavers.com>
---
  programs/winecfg/appdefaults.c | 10 ++++++++++
  programs/winecfg/main.c        | 15 +++++++++++++++
  programs/winecfg/winecfg.h     |  1 +
  3 files changed, 26 insertions(+)