View::add_children: Use std::list_initializer as argument.

Improvement in code size -- 944 bytes.

Some day I will understand C++11 well enough to do the right thing the first time.

firmware/application/ui_baseband_stats_view.cpp

@@ -34,9 +34,9 @@ namespace ui {
 /* BasebandStatsView *****************************************************/
 
 BasebandStatsView::BasebandStatsView() {
-	add_children({ {
+	add_children({
 		&text_stats,
-	} });
+	});
 }
 
 static std::string ticks_to_percent_string(const uint32_t ticks) {