because of addToUnoRc and addToConfigmgrIni which use push_front
(and no easy way to change this), I couldn't use vectors

+ use for range loops

Change-Id: I15300122b449b3a5af7c6402a7ad4cd5a2000413
Reviewed-on: https://gerrit.libreoffice.org/44233Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>