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
Init6 @ 1 NONAME
ChkC6 @ 2 NONAME
BlkI6 @ 3 NONAME
GetGeneration @ 4 NONAME
RBlkI6 @ 5 NONAME
SetCloseLib @ 6 NONAME