From ea7e8c9aaf32a52dbf37ed711352d5d4bd5aaa7c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Sat, 15 Dec 2018 20:29:01 +0100
Subject: [PATCH] Math: proper forward declaration for Constants.

Messed that up in c5d31d74e3675e3c95a08623eaf2be2fdb6b7ab8, causing lots
of Clang warnings. Sorry 'bout that.
---
 src/Magnum/Math/Math.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Magnum/Math/Math.h b/src/Magnum/Math/Math.h
index d735a39b7..1a445d30c 100644
--- a/src/Magnum/Math/Math.h
+++ b/src/Magnum/Math/Math.h
@@ -41,7 +41,7 @@ namespace Magnum { namespace Math {
 #ifndef DOXYGEN_GENERATING_OUTPUT
 template<std::size_t> class BoolVector;
 
-template<class> class Constants;
+template<class> struct Constants;
 
 template<class> class Complex;
 template<class> class Dual;