new snapshot available: coreutils-7.1.63-8e6a6

[Jim Meyering]

Here's the summary of changes since the last snapshot:

coreutils snapshot:
  http://meyering.net/cu/coreutils-ss.tar.gz      9.2 MB
  http://meyering.net/cu/coreutils-ss.tar.xz      3.9 MB
  http://meyering.net/cu/coreutils-ss.tar.gz.sig
  http://meyering.net/cu/coreutils-ss.tar.xz.sig
aka
  http://meyering.net/cu/coreutils-7.1.63-8e6a6.tar.gz
  http://meyering.net/cu/coreutils-7.1.63-8e6a6.tar.xz

Changes since 7.1.49-ebb9:

Jim Meyering (10):
      tests: skip the groups-dash test when "groups" is not built
      tests: groups-version: don't require that id be built
      * gnulib: Update to pull in select/interix work-around.
      system.h: correct compilation error: MAX not defined
      * gnulib: Update submodule to latest.
      maint: remove unused include and definitions
      maint: remove long-unused Makefile
      maint: normalize leading-TAB indentation in Makefiles
      tests: adjust sort-continue not to fail under valgrind
      * gnulib: Update submodule to latest.

Kamil Dudka (1):
      doc: update "version sort" documentation

Paul Eggert (2):
      sort: handle fd exhaustion better when merging
      tests: add another sort/nmerge test

Pádraig Brady (1):
      maint: mention Autoconf version required to build Automake