Resolves fdo#86689: Strikethrough: "With /" and "With X"

"static" keyword explains why first time the option is well taken into account and not the other times.
So let's remove this and the option will be taken into account all the times.

Cherry-picked from f46a5d6dfddf86be0d77e00cf44f26af54a97c75

Change-Id: I9db84373e425dfe21c307b965b1796c781cd7863
Reviewed-on: https://gerrit.libreoffice.org/13125
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>