Make the tests work with a C++ compiler.

[pspp] / m4 / mbrtowc.m4

diff --git a/m4/mbrtowc.m4 b/m4/mbrtowc.m4
index 11d7d23e7e1be566db52197e011269fa8513e56d..2fddcc8a109ae0942bba20665c449fe7fd918a14 100644 (file)
--- a/m4/mbrtowc.m4
+++ b/m4/mbrtowc.m4
@@ -1,4 +1,4 @@
-# mbrtowc.m4 serial 15
+# mbrtowc.m4 serial 16
 dnl Copyright (C) 2001-2002, 2004-2005, 2008, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -156,6 +156,7 @@ changequote([,])dnl
       if test $LOCALE_ZH_CN != none; then
         AC_TRY_RUN([
 #include <locale.h>
+#include <stdlib.h>
 #include <string.h>
 #include <wchar.h>
 int main ()