FIBER_TASKING_LIB: Correct atomic type
FIBER_TASKING_LIB: Correct atomic type

Apparently, VC++ includes additional atomic types that GCC doesn't
have. We change to uint. It *should* be identical

underscorediscovery/FiberTaskingLib,jklarowicz/FiberTaskingLib,underscorediscovery/FiberTaskingLib,jklarowicz/FiberTaskingLib,jklarowicz/FiberTaskingLib,Samana/FiberTaskingLib,Samana/FiberTaskingLib