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
Init1 @ 1 NONAME
ChkC1 @ 2 NONAME
BlkI1 @ 3 NONAME
GetGeneration @ 4 NONAME
RBlkI1 @ 5 NONAME
SetCloseLib @ 6 NONAME