Fix M112 with Emergency Parser

Marlin/src/gcode/control/M108_M112_M410.cpp

@@ -41,7 +41,7 @@ void GcodeSuite::M108() {
  * M112: Full Shutdown
  */
 void GcodeSuite::M112() {
-  kill(PSTR("M112 Shutdown"), nullptr, true);
+  kill(M112_KILL_STR, nullptr, true);
 }
 
 /**

Marlin/src/gcode/queue.cpp

@@ -440,7 +440,7 @@ void GCodeQueue::get_serial_commands() {
               wait_for_user = false;
             #endif
           }
-          if (strcmp(command, "M112") == 0) kill();
+          if (strcmp(command, "M112") == 0) kill(M112_KILL_STR, nullptr, true);
           if (strcmp(command, "M410") == 0) quickstop_stepper();
         #endif