Unlink rockridge and ISO cwd in the explorer.
Unlink rockridge and ISO cwd in the explorer.

While they are indeed linked on the ISO, this fact does
not need to be exposed at the explorer level, and this keeps
the whole thing more consistent with how joliet and UDF
work.

Signed-off-by: Chris Lalancette <281cd07d7578d97c83271fbbf2faddb83ab3791c@gmail.com>

clalancette/pyiso,clalancette/pycdlib