[oe] wrong checksum for libsdl-mixer-1.2.9

[Koen Kooi]

On 21-11-09 06:55, GNUtoo wrote:
> hi, I've a bad checksum for SDL_mixer-1.2.9.tar.gz
> I've tried to download it a second time and the bad checksum persist

I propose we delete the 1.2.9 recipe and switch to 1.2.10 or 1.2.11 as 
the default.

regards,

Koen