Merge pull request #518 from jackoalan/dynamic-loader-move-assign

Use std::swap for DynamicLibrary move assign

VulkanHppGenerator.cpp

@@ -1145,8 +1145,7 @@ void VulkanHppGenerator::appendDispatchLoaderDynamic(std::string & str)
     DynamicLoader &operator=( DynamicLoader && other ) VULKAN_HPP_NOEXCEPT
     {
       m_success = other.m_success;
-      m_library = other.m_library;
-      other.m_library = nullptr;
+      std::swap(m_library, other.m_library);
       return *this;
     }