From ef0dc65515d4d428381db1b2a8e61d8dc2200a1b Mon Sep 17 00:00:00 2001
From: Dirk Ziegelmeier <dirk@ziegelmeier.net>
Date: Mon, 12 Sep 2016 07:37:35 +0200
Subject: [PATCH] Fix GCC  warning "invalid suffix on literal; C++11 requires a
 space between literal and string macro" in arch.h. Pointed out by Thomas
 Nittel.

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

diff --git a/src/include/lwip/arch.h b/src/include/lwip/arch.h
index f20f6e4f..ee4a0b98 100644
--- a/src/include/lwip/arch.h
+++ b/src/include/lwip/arch.h
@@ -85,7 +85,7 @@ typedef uintptr_t mem_ptr_t;
 #if !LWIP_NO_INTTYPES_H
 #include <inttypes.h>
 #ifndef X8_F
-#define X8_F  "02"PRIx8
+#define X8_F  "02" PRIx8
 #endif
 #ifndef U16_F
 #define U16_F PRIu16