From c35995048f41239fc8895aadc3374c5f75180554 Mon Sep 17 00:00:00 2001
From: Darren Tucker <dtucker@zip.com.au>
Date: Fri, 9 Dec 2016 12:52:02 +1100
Subject: exit is in stdlib.h not unistd.h (that's _exit).

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 7b1be32e..a221214d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1781,7 +1781,7 @@ AC_MSG_CHECKING([for utf8 locale support])
 AC_RUN_IFELSE(
 	[AC_LANG_PROGRAM([[
 #include <locale.h>
-#include <unistd.h>
+#include <stdlib.h>
 	]], [[
 	char *loc = setlocale(LC_CTYPE, "en_US.UTF-8");
 	if (loc != NULL)
-- 
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