Reinstate the following change from 2002-03-22, which was
authorPaul Eggert <eggert@twinsun.com>
Mon, 27 May 2002 06:50:39 +0000 (06:50 +0000)
committerPaul Eggert <eggert@twinsun.com>
Mon, 27 May 2002 06:50:39 +0000 (06:50 +0000)
commit34b0d182849c87e8d3a9805a250f47df8f4ff784
tree9afb9f94af742c03b5adfa9a538e070503a056f7
parent2030207f94e3a20db299cf34a6eb2e37d5f3b012
Reinstate the following change from 2002-03-22, which was
inadvertently lost on 2002-04-13.

(main): Use `sort -o TAGFILE TAGFILE' instead of `sort TAGFILE -o
TAGFILE', as POSIX 1003.1-2001 disallows the latter usage.
lib-src/etags.c