🩹 Fix AboutScreen::onTouchEnd warning

Marlin/src/lcd/extui/ftdi_eve_touch_ui/generic/about_screen.cpp

@@ -92,16 +92,17 @@ void AboutScreen::onRedraw(draw_mode_t) {
 }
 
 bool AboutScreen::onTouchEnd(uint8_t tag) {
-  switch(tag) {
+  switch (tag) {
     default: return false;
     #if ALL(PRINTCOUNTER, FTDI_STATISTICS_SCREEN)
       case 1: GOTO_SCREEN(StatisticsScreen); break;
     #endif
-    case 2: GOTO_PREVIOUS(); return true;
+    case 2: GOTO_PREVIOUS(); break;
     #if ALL(TOUCH_UI_DEVELOPER_MENU, FTDI_DEVELOPER_MENU)
       case 3: GOTO_SCREEN(DeveloperMenu); break;
     #endif
   }
+  return true;
 }
 
 #endif // EXTENSIBLE_UI