[PATCH v4] winebus.sys: Allow mapping of SDL controllers

[Aric Stewart]

v3:Updated based on suggesions Zebediah Figura
v4:Use advapi32 reg enum functions

Signed-off-by: Aric Stewart <aric(a)codeweavers.com>
---
 dlls/winebus.sys/Makefile.in |  2 +-
 dlls/winebus.sys/bus_sdl.c   | 72 ++++++++++++++++++++++++++++++++++--
 2 files changed, 70 insertions(+), 4 deletions(-)