s4 should be locksurface2 according to JM's spreadsheet, and the spec indicates 2 is a clarification of 1, so we can't offer both
EXPORTS
_ZN7TestGdi10ConstructLEP13CBitmapDeviceP9CFbsBitGcR6TDes16 @ 1 NONAME
_ZN7TestGdi4TestEv @ 2 NONAME
_ZN7TestGdi9ConstructEP13CBitmapDeviceP9CFbsBitGcR6TDes16 @ 3 NONAME
_ZN7TestGdiC1Ev @ 4 NONAME
_ZN7TestGdiC2Ev @ 5 NONAME