Update for latest nazarautils update

include/Nazara/Math/Vector2.inl

@@ -2,7 +2,7 @@
 // This file is part of the "Nazara Engine - Math module"
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
-#include <Nazara/Core/Algorithm.hpp>
+#include <NazaraUtils/Hash.hpp>
 #include <cstring>
 #include <limits>
 #include <sstream>
@@ -774,15 +774,9 @@ namespace std
 		*/
 		std::size_t operator()(const Nz::Vector2<T>& v) const
 		{
-			std::size_t seed {};
-
-			Nz::HashCombine(seed, v.x);
-			Nz::HashCombine(seed, v.y);
-
-			return seed;
+			return Nz::HashCombine(v.x, v.y);
 		}
 	};
 }
 
 #include <Nazara/Core/DebugOff.hpp>
-#include "Vector2.hpp"