Used std::forward for PlacementNew function

Former-commit-id: e77b64bb90d849d856d93426a68b4d76cb499971

include/Nazara/Core/MemoryHelper.inl

@@ -34,7 +34,7 @@ inline void* NzOperatorNew(std::size_t size)
 template<typename T, typename... Args>
 T* NzPlacementNew(void* ptr, Args... args)
 {
-	return new (ptr) T(args...);
+	return new (ptr) T(std::forward<Args>(args)...);
 }
 
 #include <Nazara/Core/DebugOff.hpp>