File set_adopt_openjdk_latest.sh of Package dba-adopt-openjdk-1704

#!/bin/bash
#set -x
v=`ls -1d ?.latest ??.latest ???.latest  2>/dev/null|cut -d "." -f1 |sort -n |tail -1`
i=`ls -l latest.bak* 2>/dev/null|wc -l`
test -L latest && mv latest latest.bak.${i}
rc=`ln -fs ${v}.latest latest`
exit $rc