switch off Woverloaded-virtual messages

Author: pschatzmann

src/AudioConfig.h

@@ -807,6 +807,8 @@ using int24_t = audio_tools::int24_4bytes_t;
 #pragma GCC diagnostic ignored "-Wunused-function"
 #pragma GCC diagnostic ignored "-Wvla"
 #pragma GCC diagnostic ignored "-Wsign-compare"
+#pragma GCC diagnostic ignored "-Woverloaded-virtual"
+
 #ifdef USE_NO_MEMACCESS
 #pragma GCC diagnostic ignored "-Wclass-memaccess"
 #endif