scripts/build-common.sh: Fix extraction of downloaded files.
scripts/build-common.sh: Fix extraction of downloaded files.

ambrop72/aprinter,ambrop72/aprinter,fixator/aprinter,fixator/aprinter,ambrop72/aprinter,johnkingsley/aprinter,fixator/aprinter,johnkingsley/aprinter,johnkingsley/aprinter,johnkingsley/aprinter,ambrop72/aprinter,johnkingsley/aprinter,johnkingsley/aprinter,johnkingsley/aprinter,ambrop72/aprinter,ambrop72/aprinter,fixator/aprinter,fixator/aprinter,fixator/aprinter,ambrop72/aprinter