[PATCH 0/1] MR1849: winebus.sys: Declare a variable only when used

[Gerald Pfeifer (＠gerald)]

udev_add_device declares a variable (product) even when it is not
used on all platforms. Use the same condition for the declaration
that already guards the code.

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/1849