added notice the README that the -threaded flag is necessary for file-based tests
added notice the README that the -threaded flag is necessary for file-based tests

darcs-hash:20051121062412-786b1-8259343a50088c6bbac02902e458988a988488a6

ekarayel/HTF,skogsbaer/HTF,ekarayel/HTF,skogsbaer/HTF