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.
@
cuid: 0x00000001
eid: 2
type: Int32
flags: 0x0000
intval: 0
.
@
cuid: 0x00000001
eid: 1
type: Int32
flags: 0x0000
intval: 0
.
@
cuid: 0x00000001
eid: 3
type: Int32
flags: 0x0000
intval: 0
.