This should sort out all outputs prior processing them further resulting
in equal output among multiple builds.

Change-Id: Iaf24bbb94eb7b8960177bcf2c3e08d31d2fb7210
Reviewed-on: https://gerrit.libreoffice.org/70254Reviewed-by: Tomáš Chvátal <tchvatal@suse.cz>
Tested-by: Tomáš Chvátal <tchvatal@suse.cz>
Tested-by: Jenkins
Reviewed-by: Michael Stahl <Michael.Stahl@cib.de>