With the new RHEL6-era baseline TDF can finally ship KDE4 support.

Change-Id: I227278b576a3ed2f2aaa751d41b469ca92dc78b3
Reviewed-on: https://gerrit.libreoffice.org/18267Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>