Update bundlescripts to use "set -e" consistently

"set -e" is already inherited here from make.sh, but explicit is always better than implicit (hence the "set -e" in the first place!)

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Merge pull request #5072 from tianon/hack-set-e-consistently

Update bundlescripts to use "set -e" consistently