[Libguestfs] Remaining patches for the Debian package

Right now I am building 1.20.4-1 right now for Debian/unstable. I am happy that my patch queue for the package is down to the six patches: 1/6: Make sure that /run exists. I'm not really sure where this needs to be fixed. Gut feeling says: supermin helper. 2/6: TBH, I don't remember what systemd-related symptom was fixed by this patch. 3/6: This one has been rejected, more than once, I believe. This is the only patch that's needed for out-of-tree builds that I'm currently aware of. Unfortunately, I haven't found a better way yet to build and test the Perl bindings out-of-tree. 4/6: Ruby sitelibdir, sitearchdir point to /usr/local/lib/site_ruby/* on Debian. I suppose this should not be picked up upstream because the site-local directory is exactly the place one should be installing to when not using a packaging system. At the same time, I wonder if there's a better way to specify/override this. 5/6: With multiarch enabled, ${libdir}/guestfs translates to /usr/lib/x86_64-linux-gnu/guestfs on amd64 systems. This patch makes sure that the guestfs appliance stays in /usr/liba 6/6: same multiarch fix for Erlang bindings