[Openal] Source properties are reset when attaching a new buffer?

[kickaha]

> The source will keep the properties.  That can be good or bad, depending 
> on the situation...
> 

Thanks for the info, actually i believe that is the most correct
behavior as if it's the same object it should maintain it's
properties. Although if one is using managed/shared sources it will
mean setting those properties everytime one needs to play a sound.

Cheers