fix the macro check

Upstream-status: Pending

configure does not check if locale.h exists, but check setlocale,
if setlocale exist, the locale.h should exist.

Signed-off-by: Roy Li <rongqing.li@windriver.com>
---
 lib/system.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/system.h b/lib/system.h
index 946eb3c..c70037b 100644
--- a/lib/system.h
+++ b/lib/system.h
@@ -42,7 +42,7 @@ extern char *substring (const char *, const char *);
 #include <ctype.h>
 
 /* All systems nowadays probably have these functions, but ... */
-#ifdef HAVE_LOCALE_H
+#ifdef HAVE_SETLOCALE
 #include <locale.h>
 #endif
 #ifndef HAVE_SETLOCALE
-- 
1.7.10.4