Rename patches commited upstream

  * hurd-i386/tg-NOFOLLOW.diff: Rename to hurd-i386/git-NOFOLLOW.diff.
  * hurd-i386/tg-NOFOLLOW-DIRECTORY.diff: Rename to
    hurd-i386/git-NOFOLLOW-DIRECTORY.diff.
  * hurd-i386/tg-WRLCK-upgrade.diff: rename to
    hurd-i386/git-WRLCK-upgrade.diff.
  * hurd-i386/tg-_dl_random.diff: Rename to hurd-i386/git-_dl_random.diff.
  * hurd-i386/tg-exec-static.diff: Rename to hurd-i386/git-exec-static.diff.
  * hurd-i386/tg-futimens.diff: Rename to hurd-i386/git-futimens.diff.
  * hurd-i386/tg-gai_misc.diff: Rename to hurd-i386/git-gai_misc.diff.
  * hurd-i386/tg-grantpt.diff: Rename to hurd-i386/git-grantpt.diff.
  * hurd-i386/tg-gscope.diff: Rename to hurd-i386/git-gscope.diff.
  * hurd-i386/tg-libpthread-gsync-mutex.diff: Rename to
    hurd-i386/git-libpthread-gsync-mutex.diff.
  * hurd-i386/tg-libpthread-gsync-spin.diff: Rename to
    hurd-i386/git-libpthread-gsync-spin.diff.
  * hurd-i386/tg-mlockall.diff: Rename to hurd-i386/git-mlockall.diff.
  * hurd-i386/tg-pagesize.diff: Rename to hurd-i386/git-pagesize.diff.
  * hurd-i386/tg-reboot-startup.diff: Rename to
    hurd-i386/git-reboot-startup.diff.
  * hurd-i386/tg-thread-linkspace.diff: Rename to
    hurd-i386/git-thread-linkspace.diff.
  * hurd-i386/tg-timer_routines.diff: Rename to
    hurd-i386/git-timer_routines.diff.
  * hurd-i386/tg-tls-threadvar.diff: Rename to
    hurd-i386/git-tls-threadvar.diff.
  * hurd-i386/tg-tls.diff: Rename to hurd-i386/git-tls.diff.
  * hurd-i386/tg-tls_thread_leak.diff: Rename to
    hurd-i386/git-tls_thread_leak.diff.
  * hurd-i386/tg2.25-tls.diff: Rename to hurd-i386/git2.25-tls.diff.
  * hurd-i386/submitted-hurd-abilist.diff: Rename to
    hurd-i386/git-hurd-abilist.diff.
  * hurd-i386/local-libpthread-stacksize.diff: Rename to
    hurd-i386/git-libpthread-stacksize.diff.