This Checkbox is shown in the File picker dialog and does not embed the file in the document, if checked.

Change-Id: I84fbc182cc9b432cd38ccb044c0479ced119d97f
Reviewed-on: https://gerrit.libreoffice.org/3602Reviewed-by: Tor Lillqvist <tml@iki.fi>
Tested-by: Tor Lillqvist <tml@iki.fi>