Validate range in wincolor_sink::print_range_

include/spdlog/sinks/wincolor_sink-inl.h

@@ -143,11 +143,14 @@ std::uint16_t SPDLOG_INLINE wincolor_sink<ConsoleMutex>::set_foreground_color_(s
 // print a range of formatted message to console
 template<typename ConsoleMutex>
 void SPDLOG_INLINE wincolor_sink<ConsoleMutex>::print_range_(const memory_buf_t &formatted, size_t start, size_t end)
+{
+    if (end > start)
     {
         auto size = static_cast<DWORD>(end - start);
         auto ignored = ::WriteConsoleA(static_cast<HANDLE>(out_handle_), formatted.data() + start, size, nullptr, nullptr);
         (void)(ignored);
     }
+}
 
 template<typename ConsoleMutex>
 void SPDLOG_INLINE wincolor_sink<ConsoleMutex>::write_to_file_(const memory_buf_t &formatted)