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a2081b78e2
Add a comment to unpack_perm to document the first entry in the packed perms struct is reserved, and make a non-functional change of unpacking to a temporary stack variable named "reserved" to help suppor the documentation of which value is reserved. Suggested-by: Serge E. Hallyn <serge@hallyn.com> Signed-off-by: John Johansen <john.johansen@canonical.com>