Adding-back `exit` to install_headless.sql
Adding-back `exit` to install_headless.sql

viniciusam/utPLSQL,pesse/utPLSQL,lwasylow/utPLSQL,jgebal/utPLSQL,utPLSQL/utPLSQL,viniciusam/utPLSQL,jgebal/utPLSQL,lwasylow/utPLSQL,pesse/utPLSQL