Fix bug in smoketest.py argument parsing
Fix bug in smoketest.py argument parsing

This was causing Reconfigure to fail. The bug was introduced in c49eb5
yesterday.

TigerZhang/logcabin,nhardt/logcabin,gaoning777/logcabin,gaoning777/logcabin,tempbottle/logcabin,logcabin/logcabin,nhardt/logcabin,nhardt/logcabin,logcabin/logcabin,nhardt/logcabin,chaozh/logcabin,dankenigsberg/logcabin,gaoning777/logcabin,chaozh/logcabin,logcabin/logcabin,logcabin/logcabin,dankenigsberg/logcabin,gaoning777/logcabin,dankenigsberg/logcabin,TigerZhang/logcabin,TigerZhang/logcabin,chaozh/logcabin,tempbottle/logcabin,TigerZhang/logcabin,dankenigsberg/logcabin,tempbottle/logcabin,tempbottle/logcabin,chaozh/logcabin