Update tools/build.sh
Update tools/build.sh

afh/ledger,paulbdavis/ledger,afh/ledger,duncanmortimer/ledger,duncanmortimer/ledger,paulbdavis/ledger,jwakely/ledger,afh/ledger,jwakely/ledger,duncanmortimer/ledger,ledger/ledger,jwakely/ledger,jwakely/ledger,duncanmortimer/ledger,ledger/ledger,paulbdavis/ledger,jwakely/ledger,jwakely/ledger,duncanmortimer/ledger,paulbdavis/ledger,afh/ledger,ledger/ledger,ledger/ledger,jwakely/ledger,duncanmortimer/ledger,ledger/ledger,paulbdavis/ledger,paulbdavis/ledger,duncanmortimer/ledger,afh/ledger,paulbdavis/ledger