Adjusted EPOCROOT handling so that in the context of Raptor invocation,
it also updates the environment variable so that other modules (such as
e32variant.pm) can also work without changes.
EXPORTS
_ZN6MiscHw16PlayBeepSequenceEPKiiPFvPvES2_ @ 1 NONAME ; MiscHw::PlayBeepSequence(int const*, int, void (*)(void*), void*)
_ZN6MiscHw18CancelBeepSequenceEv @ 2 NONAME ; MiscHw::CancelBeepSequence()
_ZN6MiscHw23SetSoundDriverRecordingEi @ 3 NONAME ; MiscHw::SetSoundDriverRecording(int)