wincolor sink fix

include/spdlog/sinks/wincolor_sink.h

@@ -105,7 +105,7 @@ private:
     }
 
     // print a range of formatted message to console
-    void print_range_(const fmt::memory_buffer formatted, size_t start, size_t end)
+    void print_range_(const fmt::memory_buffer &formatted, size_t start, size_t end)
     {
         auto size = static_cast<DWORD>(end - start);
         ::WriteConsoleA(out_handle_, formatted.data() + start, size, nullptr, nullptr);