From 09b78ba92c64e5ba64a3d623fb1c1cd71e54390b Mon Sep 17 00:00:00 2001
From: Michael Maroszek <maroszek@gmx.net>
Date: Fri, 12 Jan 2018 10:39:48 +0100
Subject: [PATCH] bump msvc define to fix compile issue on MSVC 15.6

---
 include/date/tz.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/date/tz.h b/include/date/tz.h
index 280a598..2040739 100644
--- a/include/date/tz.h
+++ b/include/date/tz.h
@@ -2197,7 +2197,7 @@ from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt,
     return is;
 }
 
-#if !defined(_MSC_VER) || _MSC_VER > 1912
+#if !defined(_MSC_VER) || _MSC_VER > 1913
 
 // clock_time_conversion
 
@@ -2471,7 +2471,7 @@ clock_cast(const std::chrono::time_point<SrcClock, Duration>& tp)
     return clock_cast_detail::cc_impl<DstClock>(tp, &tp);
 }
 
-#endif  // !defined(_MSC_VER) || _MSC_VER > 1912
+#endif  // !defined(_MSC_VER) || _MSC_VER > 1913
 
 // Deprecated API