* 02_hurd_stub_backend.patch: re-add an implementation of the stub
backend, for the Hurd. Closes: #557446.
* 03_kfreebsd_installdirs.patch: patch to install binaries in
libexecdir so that we can version the installation directory. Also
use DESTDIR in the installation hooks.
* Rename 90_autoconf.patch to 90_autotools.patch, re-run all the
autotools on top of that.
* Pass a versioned libexecdir to the configure arguments.
* Install the server binary on kfreebsd.
* Exclude it from dh_fixperms.
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