Fix quoting

src/scripts/checkvolume.sh

@@ -24,7 +24,7 @@ readonly test_file="${volume_dir}/.chown-test"
 mkdir -p "${volume_dir}"
 rm -f "${test_file}" # clean up any from previous run
 
-if [[ -n "$(ls -A \"${volume_dir}\")" ]]; then
+if [[ -n $(ls -A "${volume_dir}") ]]; then
     echo "volume dir is not empty"
     exit 2
 fi