[PATCH] tests/nap.h: avoid warning about unused variable

[Jim Meyering]

This fixes a "make check" build warn/failure in coreutils:

    make[5]: *** [test-fchownat.o] Error 1
    In file included from test-utimens-common.h:33:0,
                     from test-futimens.h:17,
                     from test-fdutimensat.c:33:
    nap.h: In function 'nap_works':
    nap.h:51:7: error: unused variable 'result' [-Werror=unused-variable]
       int result = 0;
           ^

>From 025f7741264a170d2a87c30370bc4b96b256f3b4 Mon Sep 17 00:00:00 2001
From: Jim Meyering <j...@meyering.net>
Date: Thu, 8 Nov 2012 23:03:57 -0800
Subject: [PATCH] tests/nap.h: avoid warning about unused variable

* tests/nap.h (nap_works): Remove now-unused declaration of "result".
---
 ChangeLog   | 3 +++
 tests/nap.h | 1 -
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index a742d0a..7e0129e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2012-11-08  Jim Meyering  <j...@meyering.net>

+       tests/nap.h: avoid warning about unused variable
+       * tests/nap.h (nap_works): Remove now-unused declaration of "result".
+
        prefix-gnulib-mk: avoid overzealous "lib/"-prefix addition
        * build-aux/prefix-gnulib-mk (prefix): Tighten a regexp to require
        white space before each of the special-cased file names, to avoid
diff --git a/tests/nap.h b/tests/nap.h
index 99d47b6..56bb23f 100644
--- a/tests/nap.h
+++ b/tests/nap.h
@@ -48,7 +48,6 @@ static int
 nap_works (int fd, int delay, struct stat *st)
 {
   struct stat old_st;
-  int result = 0;
   old_st = *st;
   usleep (delay);
   get_mtime (fd, st, 1);
--
1.8.0