[Development] Making sure all platform plugin library names are prefixed with "q"

[Oswald Buddenhagen]

On Tue, Dec 11, 2012 at 10:01:42AM +0100, Samuel Rødal wrote:
> The static linking support currently assumed the latter, non-prefixed 
> library names, which means static linking is currently broken with any 
> of the other platform plugins.
>
it was already fixed.