# HG changeset patch
# User Jim Meyering <jim@meyering.net>
# Date 1039162093 0
# Node ID 86ee34b1ec2810f89ba5f21235661c7ed5c6f411
# Parent  7c099bf32c2fc08de5bde7e4f7b70678a2a66a23
Be consistent: change `#ifndef _LIBC' to `#if !_LIBC'.

diff --git a/lib/error.c b/lib/error.c
--- a/lib/error.c
+++ b/lib/error.c
@@ -55,7 +55,7 @@
 
 #include "error.h"
 
-#ifndef _LIBC
+#if !_LIBC
 # include "unlocked-io.h"
 #endif