Fix warning

src/freedombone-utils-elixir

@@ -85,6 +85,7 @@ function image_install_elixir {
       echo "dpkg -i \$erlang_package"; } > "$rootdir/usr/bin/install_elixir"
     chmod +x "$rootdir/usr/bin/install_elixir"
     chroot "$rootdir" /usr/bin/install_elixir
+    # shellcheck disable=SC2086
     chroot "$rootdir" $UPDATE_PACKAGES
     # shellcheck disable=SC2086
     chroot "$rootdir" $INSTALL_PACKAGES esl-erlang