[PATCH 4/7] winebus.sys: Load SDL bus mappings before calling bus_init.

[Rémi Bernon]

Thanks Bernhard for the report and the debugging!

I've sent a patch yesterday to move the assembly function below the 
variables, it was likely the culprit.

Cheers,
-- 
Rémi Bernon <rbernon at codeweavers.com>