Buff stat check func: Completely remove cast to and from void*. Just let
the user create his own functor with whatever state he likes, or use the
buff at hand.

git-svn-id: http://simulationcraft.googlecode.com/svn/trunk@18130 3b4652a1-8050-0410-ac47-3d40261b0f8b
remove some more static keywords in unnamed namespaces.

git-svn-id: http://simulationcraft.googlecode.com/svn/trunk@18131 3b4652a1-8050-0410-ac47-3d40261b0f8b