MSVC from 2015 up has vsnprintf

diff --git a/lib/private-libwebsockets.h b/lib/private-libwebsockets.h
index 9ef1994..cb1976b 100644 (file)
--- a/lib/private-libwebsockets.h
+++ b/lib/private-libwebsockets.h
@@ -87,7 +87,7 @@
 #define __func__ __FUNCTION__
 #endif
 
-#if defined(_MSC_VER) || defined(_WIN32_WCE)
+#if (defined(_MSC_VER) && _MSC_VER < 1900) || defined(_WIN32_WCE)
 #define vsnprintf _vsnprintf
 #else
 #ifdef LWS_HAVE__VSNPRINTF