Log Message:
-----------
skip config lines with angle brackets around "unknown" as well as without them
Modified Files:
--------------
client-code:
run_build.pl (r1.16 -> r1.17)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbuildfarm/client-code/run_build.pl.diff?r1=1.16&r2=1.17)