New upstream release:

* New upstream release:
  - debian/control: regenerate.
  - debian/symbols.wildcard: update for 2.28.
  - debian/debhelper.in/libc-dev{,-alt}.install: do not install
    libpthread_nonshared.a.
  - debian/patches/git-updates.diff: dropped.
  - debian/patches/localedata/locale-ku_TR.diff: rebased.
  - debian/patches/localedata/locale-csb_PL.diff: dropped, obsolete.
  - debian/patches/localedata/locale-se_NO.diff: dropped, obsolete.
  - debian/patches/localedata/tailor-iso14651_t1.diff: rebased.
  - debian/patches/arm/local-sigaction.diff: rebased.
  - debian/patches/hurd-i386/tg-context_functions.diff: rebased.
  - debian/patches/hurd-i386/git-tls.diff: upstreamed.
  - debian/patches/hurd-i386/git-tls-threadvar.diff: upstreamed.
  - debian/patches/hurd-i386/tg-sysvshm.diff: rebased.
  - debian/patches/hurd-i386/git-_dl_random.diff: upstreamed.
  - debian/patches/hurd-i386/git-grantpt.diff: upstreamed.
  - debian/patches/hurd-i386/git-posix_thread.diff: upstreamed.
  - debian/patches/hurd-i386/git-gai_misc.diff: upstreamed.
  - debian/patches/hurd-i386/tg-hurdsig-fixes.diff: rebased.
  - debian/patches/hurd-i386/tg-hurdsig-global-dispositions.diff: rebased.
  - debian/patches/hurd-i386/local-hurdsig-global-dispositions-version.diff:
    rebased.
  - debian/patches/hurd-i386/tg-hurdsig-SA_SIGINFO.diff: rebased.
  - debian/patches/hurd-i386/cvs-libpthread.diff: upstreamed.
  - debian/patches/hurd-i386/cvs-libpthread.abilist.diff: upstreamed.
  - debian/patches/hurd-i386/libpthread_build.diff: upstreamed.
  - debian/patches/hurd-i386/tg-libpthread_depends.diff: upstreamed.
  - debian/patches/hurd-i386/libpthread_version.diff: rebased.
  - debian/patches/hurd-i386/tg-remap_getcwd.diff: rebased.
  - debian/patches/hurd-i386/git-exec-static.diff: upstreamed.
  - debian/patches/hurd-i386/git-socket_flags.diff: upstreamed.
  - debian/patches/hurd-i386/git-socketpair_flags.diff: upstreamed.
  - debian/patches/hurd-i386/git-pipe2.diff: upstreamed.
  - debian/patches/hurd-i386/tg-libc_getspecific.diff: dropped, obsolete.
  - debian/patches/hurd-i386/git-futimens.diff: upstreamed.
  - debian/patches/hurd-i386/tg-sigstate_thread_reference.diff: rebased.
  - debian/patches/hurd-i386/git-tls_thread_leak.diff: upstreamed.
  - debian/patches/hurd-i386/git-libpthread-stacksize.diff: upstreamed.
  - debian/patches/hurd-i386/git-reboot-startup.diff: upstreamed.
  - debian/patches/hurd-i386/cvs-revert-gnu-gnu-cleanup.diff: upstreamed.
  - debian/patches/hurd-i386/git-gsync-libc.diff: upstreamed.
  - debian/patches/hurd-i386/git-pthread_deps.diff: upstreamed.
  - debian/patches/hurd-i386/git-libpthread-gsync-spin.diff: upstreamed.
  - debian/patches/hurd-i386/git-libpthread-gsync-mutex.diff: upstreamed.
  - debian/patches/hurd-i386/git-NOFOLLOW.diff: upstreamed.
  - debian/patches/hurd-i386/git-NOFOLLOW-DIRECTORY.diff: upstreamed.
  - debian/patches/hurd-i386/git-mlockall.diff: upstreamed.
  - debian/patches/hurd-i386/git2.25-tls.diff: upstreamed.
  - debian/patches/hurd-i386/local-nocheck-installed-headers.diff: rebased.
  - debian/patches/hurd-i386/git-libpthread-2.26.diff: upstreamed.
  - debian/patches/hurd-i386/git-thread-linkspace.diff: upstreamed.
  - debian/patches/hurd-i386/libpthread_includes.diff: dropped, obsolete.
  - debian/patches/hurd-i386/local-exec_filename.diff: rebased.
  - debian/patches/hurd-i386/git-libpthread-trylock.diff: upstreamed.
  - debian/patches/hurd-i386/git-test-atexit-race-common.diff: upstreamed.
  - debian/patches/hurd-i386/git-UTIME.diff: upstreamed.
  - debian/patches/hurd-i386/git-timer_create_sigmask.diff: upstreamed.
  - debian/patches/kfreebsd/local-fbtl-depends.diff: rebased.
  - debian/patches/any/local-ldconfig-fsync.diff: dropped, obsolete.
  - debian/patches/any/submitted-bits-fcntl_h-at.diff: rebased.
  - debian/patches/any/submitted-intl-tstgettext.diff: upstreamed.
  - debian/patches/any/git-abilist-ignore-absolute.diff: upstreamed.
  - debian/debhelper.in/libc{-alt,-otherbuild,}.lintian-overrides: drop
    libcidn.so override.
  - debian/libc6.symbols.{common,hppa,sparc}, debian/libc6.1.symbols.alpha,
    debian/libc0.1.symbols.common, debian/libc0.3.symbols.hurd-i386: drop
    libcidn.so.