From b096ce0fdda0918f9248ff15838cbc31525fa823 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20H=C3=BCppelsh=C3=A4user?=
 <nicolas.hueppelshaeuser@emlix.com>
Date: Tue, 5 Mar 2019 11:54:23 +0100
Subject: [PATCH] scripts/echo.c: resolve implicit declaration of function
 'dup2'
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Signed-off-by: Nicolas Hüppelshäuser <nicolas.hueppelshaeuser@emlix.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 scripts/echo.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scripts/echo.c b/scripts/echo.c
index 8c6b409d3..7474ccdd4 100644
--- a/scripts/echo.c
+++ b/scripts/echo.c
@@ -27,6 +27,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <limits.h>
+#include <unistd.h>
 
 #define WANT_HEX_ESCAPES 1