Log Message:
-----------
force a build if we don't have a snapshot time for the last run - otherwise we might never do a build at all -
change should force at most one build per branch ever.
Modified Files:
--------------
client-code:
run_build.pl (r1.21 -> r1.22)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbuildfarm/client-code/run_build.pl.diff?r1=1.21&r2=1.22)