[Buildbot-commits] buildbot/buildbot util.py,1.6,1.7

[Brian Warner]

Update of /cvsroot/buildbot/buildbot/buildbot
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv442/buildbot

Modified Files:
	util.py 
Log Message:
(ComparableMixin): survive missing attributes, such as when a class is
modified and we're comparing old instances against new ones