M80 followup

Marlin/src/gcode/control/M80_M81.cpp

  */
 
 #include "../gcode.h"
+
 #include "../../module/temperature.h"
-#include "../../module/printcounter.h"  // for print_job_timer
+#include "../../module/planner.h"       // for planner.finish_and_disable
+#include "../../module/printcounter.h"  // for print_job_timer.stop
 #include "../../lcd/ultralcd.h"         // for LCD_MESSAGEPGM_P
 
 #include "../../inc/MarlinConfig.h"