[PATCH v2 0/5] MR1608: localspl: Use providor for print jobs implementation

[Piotr Caban (＠piotr)]

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  v2: winspool: Use providor for WritePrinter implementation.
      winspool: Use providor for print jobs implementation.
      localspl: Fix error handling in ScheduleJob.
      localspl: Return error if cups port handle is used from different threads.
      localspl: Add cups port extension.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/1608