bug#16898: FYI: maint: dfa: pass NULL, not 0, as 2nd arg to setlocale

[Jim Meyering]

From d75266b4fd3dbfee88d81d3e87a2a9366c5d5cbb Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyer...@fb.com>
Date: Thu, 27 Feb 2014 19:01:59 -0800
Subject: [PATCH] maint: dfa: pass NULL, not 0, as 2nd arg to setlocale

* src/dfa.c (using_simple_locale): Use NULL, not 0.
---
 src/dfa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dfa.c b/src/dfa.c
index f4590da..4708895 100644
--- a/src/dfa.c
+++ b/src/dfa.c
@@ -801,7 +801,7 @@ using_simple_locale (void)
       static int unibyte_c = -1;
       if (unibyte_c < 0)
         {
-          char *locale = setlocale (LC_ALL, 0);
+          char *locale = setlocale (LC_ALL, NULL);
           unibyte_c = (locale && (STREQ (locale, "C")
                                   || STREQ (locale, "POSIX")));
         }
-- 
1.9.0