Re-merge fixes for bug 1362, bug 1666, bug 1863, KhronosRI and bld.inf.
EXPORTS
vguArc @ 1 NONAME
vguComputeWarpQuadToQuad @ 2 NONAME
vguComputeWarpQuadToSquare @ 3 NONAME
vguComputeWarpSquareToQuad @ 4 NONAME
vguEllipse @ 5 NONAME
vguLine @ 6 NONAME
vguPolygon @ 7 NONAME
vguRect @ 8 NONAME
vguRoundRect @ 9 NONAME