New upstream version:

* New upstream version:
  - debian/control: regenerate.
  - debian/symbols.wildcards: update for 2.27.
  - debian/patches/hurd-i386/tg-tls-threadvar.diff: refreshed.
  - debian/patches/hurd-i386/tg-tlsdesc.sym.diff: upstreamed.
  - debian/patches/hurd-i386/tg-no-hp-timing.diff: upstreamed.
  - debian/patches/hurd-i386/local-hurdsig-global-dispositions-version.diff:
    refreshed.
  - debian/patches/hurd-i386/unsubmitted-gnumach.defs.diff: upstreamed.
  - debian/patches/hurd-i386/tg-sigstate_thread_reference.diff: upstreamed.
  - debian/patches/hurd-i386/tg-allocalim.diff: upstreamed.
  - debian/patches/hurd-i386/tg-extern_inline.diff: upstreamed.
  - debian/patches/hurd-i386/tg-gsync-libc.diff: upstreamed.
  - debian/patches/hurd-i386/tg2.26-sigsetops.h.diff: upstreamed.