[scm-migration-dev] work around bug in hg 1.1.2 where `hg pull -u -r ` fails.

[david.mar...@sun.com]

Author: David Marker <David.Marker at sun.com>
Repository: /hg/scm-migration/onnv-gk-tools
Latest revision: da7ed0ee4e6a6bf175eb9842c73ca8bb0205fb31
Total changesets: 1
Log message:
work around bug in hg 1.1.2 where `hg pull -u -r <localtag>` fails.

Files:
        update: periodic/nightly-build.py