Currently kde4-open-url is just installed, but not included in
the kde-integration package.

Change-Id: Ic114a463b97aaaf4cc7ff3062143698daf93513c
(cherry picked from commit 805a861b)
Reviewed-on: https://gerrit.libreoffice.org/19327Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>