From 5835255d07bfa7c7023e6e334e05885ada88f09f Mon Sep 17 00:00:00 2001
From: Jean Pierre Cimalando <jp-dev@inbox.ru>
Date: Mon, 27 Jul 2020 20:19:22 +0200
Subject: [PATCH] Fix for macOS

---
 src/sfizz/modulations/ModKeyHash.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sfizz/modulations/ModKeyHash.h b/src/sfizz/modulations/ModKeyHash.h
index a5cdf4c6..1f3ecbdc 100644
--- a/src/sfizz/modulations/ModKeyHash.h
+++ b/src/sfizz/modulations/ModKeyHash.h
@@ -5,12 +5,12 @@
 // If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
 
 #pragma once
+#include <functional>
 #include <cstddef>
 
 namespace sfz { class ModKey; }
 
 namespace std {
-    template <class> struct hash;
     template <> struct hash<sfz::ModKey> {
         size_t operator()(const sfz::ModKey &key) const;
     };