deps.sh: remove errexit for now
deps.sh: remove errexit for now

Due to the way we check for missing commands, errexit will cause the script to quit too soon.
sundhaug92/binwalk,UniqMartin/binwalk,ddcc/binwalk,sundhaug92/binwalk,pombredanne/binwalk,devttys0/binwalk,Flameeyes/binwalk,chubbymaggie/binwalk,UniqMartin/binwalk,cappiewu/binwalk,itsens/binwalk,devttys0/binwalk,itsens/binwalk,pombredanne/binwalk,Flameeyes/binwalk,cappiewu/binwalk,chubbymaggie/binwalk,ddcc/binwalk