[PATCH 0/5] MR10776: dinput: Add proper support for DIPROP_JOYSTICKID and GUID_Joystick.

[Rémi Bernon (＠rbernon)]

Supersedes https://gitlab.winehq.org/wine/wine/-/merge_requests/10755 with some style fixes and simplified joystick ID allocation, moved to a dedicated function.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/10776