Apparently link.exe is a wrapper for either a dynamic linker for .exe
and .dll files, or for an archiver for .lib files, and the latter
doesn't know -debug and complains about it.

eeeec33a made it to be passed to all linking.

Change-Id: Ie4b16536f705987de432fc8e2819467fc5bfb719
Reviewed-on: https://gerrit.libreoffice.org/70817
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>