engine: platform: nswitch: export _Unwind_GetIPInfo as required by cs…

…16-client

engine/platform/nswitch/sys_nswitch.c

@@ -55,6 +55,7 @@ static const solder_export_t aux_exports[] =
 	SOLDER_EXPORT_SYMBOL( strchrnul ),
 	SOLDER_EXPORT_SYMBOL( stpcpy ),
 	SOLDER_EXPORT_SYMBOL( _Unwind_Resume ),
+	SOLDER_EXPORT_SYMBOL( _Unwind_GetIPInfo ),
 };
 
 const solder_export_t *__solder_aux_exports = aux_exports;