Bug#987333: jumpnbump crashes on systems with unsigned char.

[Fabian Greffrath]

Hi Peter,

Am 22.04.2021 00:52, schrieb peter green:
> If I get no response to this bug and I get time to test out the patch
> I will likely upload a NMU in a week or so.

the patch looks trivially correct to me. A NMU/Team Upload would be 
appreciated.

Thank you!

Cheers,

  - Fabian