it is not legal to eliminate a catch/re-throw where the re-throw
expliciting mentions the exception variable and the exception variable
is a non-final class

Change-Id: I7fd88b0d004d2efa66aef2c0876e07f203da3c28
Reviewed-on: https://gerrit.libreoffice.org/42782Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Noel Grandin <noel.grandin@collabora.co.uk>