From abef0b44a86eef173c8f32bea3d4966c02371b87 Mon Sep 17 00:00:00 2001
From: Dirk Ziegelmeier <dirk@ziegelmeier.net>
Date: Fri, 27 Jan 2017 09:09:21 +0100
Subject: [PATCH] bug #50162: Minor bug in errno.h #ifdef -> #if

---
 src/include/lwip/errno.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/include/lwip/errno.h b/src/include/lwip/errno.h
index 641cffb0..20e43759 100644
--- a/src/include/lwip/errno.h
+++ b/src/include/lwip/errno.h
@@ -43,7 +43,7 @@
 extern "C" {
 #endif
 
-#ifdef LWIP_PROVIDE_ERRNO
+#if LWIP_PROVIDE_ERRNO
 
 #define  EPERM            1  /* Operation not permitted */
 #define  ENOENT           2  /* No such file or directory */