From 9ee03a92110f39c05ad890cf6f3c1a5083af0cf8 Mon Sep 17 00:00:00 2001
From: yhirose <yuji.hirose.bug@gmail.com>
Date: Tue, 27 Aug 2019 17:13:27 -0400
Subject: [PATCH] Fixed build error with VS2015

---
 peglib.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/peglib.h b/peglib.h
index d11d9b2..7192834 100644
--- a/peglib.h
+++ b/peglib.h
@@ -9,6 +9,7 @@
 #define CPPPEGLIB_PEGLIB_H
 
 #include <algorithm>
+#include <cctype>
 #include <cassert>
 #include <cstring>
 #include <functional>