From 7ae9227794cb68be7af5cc3b10997fca93a2a76a Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Thu, 18 Jun 2020 15:16:47 +0200
Subject: Quadriflow: Fix compilation error with C++17

Unary function has been removed.
Unless I'm missing something subclass is not needed here.
---
 intern/quadriflow/quadriflow_capi.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/intern/quadriflow/quadriflow_capi.cpp b/intern/quadriflow/quadriflow_capi.cpp
index 302c7a0ae30..53237289874 100644
--- a/intern/quadriflow/quadriflow_capi.cpp
+++ b/intern/quadriflow/quadriflow_capi.cpp
@@ -49,7 +49,7 @@ struct ObjVertex {
   }
 };
 
-struct ObjVertexHash : std::unary_function<ObjVertex, size_t> {
+struct ObjVertexHash {
   std::size_t operator()(const ObjVertex &v) const
   {
     size_t hash = std::hash<uint32_t>()(v.p);
-- 
cgit v1.2.3