Remove the experimental changes to gcce.h, and revert the widespread freezing of exports (was a suggested fix for Bug 3025)
EXPORTS
_Z17VariantInitialisev @ 1 NONAME
_ZN7Variant10PowerResetEv @ 2 NONAME
_ZN7Variant14BaseLinAddressEv @ 3 NONAME
_ZN7Variant16MarkDebugPortOffEv @ 4 NONAME
_ZN7Variant8SwitchesEv @ 5 NONAME
_ZN7Variant8UartInitEv @ 6 NONAME