From a2017aafa1f52632cdcdd5e731ea7ffb19765ccc Mon Sep 17 00:00:00 2001
From: Marcus Shawcroft <marcus.shawcroft@arm.com>
Date: Wed, 26 Oct 2016 12:53:30 +0100
Subject: [PATCH] watchdog/iwdg_stm32: Fix missing include compilation error.

Change-Id: I0dae37eae451452e6071639b5258634c44c7ccbf
Signed-off-by: Marcus Shawcroft <marcus.shawcroft@arm.com>
---
 drivers/watchdog/iwdg_stm32.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/watchdog/iwdg_stm32.c b/drivers/watchdog/iwdg_stm32.c
index 51cef35c0de..e4392317cac 100644
--- a/drivers/watchdog/iwdg_stm32.c
+++ b/drivers/watchdog/iwdg_stm32.c
@@ -27,6 +27,8 @@
 
 #include <watchdog.h>
 #include <soc.h>
+#include <errno.h>
+
 #include "iwdg_stm32.h"
 
 #define AS_IWDG(__base_addr) \