[macports-base] branch master updated (81979e5d -> e8326adf)

[Joshua Root]

Joshua Root (jmroot) pushed a change to branch master
in repository macports-base.

    from 81979e5d fix for an upgrade dep calculation corner case
     new 9ad1bce4 portsandbox: use prefix_frozen
     new e8326adf portsandbox: error checking for get_mountpoint

The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 src/port1.0/portsandbox.tcl | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)