Fix bug in PID Autotune report

Marlin/temperature.cpp

               Kp = 0.33*Ku;
               Ki = Kp/Tu;
               Kd = Kp*Tu/3;
-              SERIAL_PROTOCOLLNPGM(" Some overshoot ")
+              SERIAL_PROTOCOLLNPGM(" Some overshoot ");
               SERIAL_PROTOCOLPGM(" Kp: "); SERIAL_PROTOCOLLN(Kp);
               SERIAL_PROTOCOLPGM(" Ki: "); SERIAL_PROTOCOLLN(Ki);
               SERIAL_PROTOCOLPGM(" Kd: "); SERIAL_PROTOCOLLN(Kd);
               Kp = 0.2*Ku;
               Ki = 2*Kp/Tu;
               Kd = Kp*Tu/3;
-              SERIAL_PROTOCOLLNPGM(" No overshoot ")
+              SERIAL_PROTOCOLLNPGM(" No overshoot ");
               SERIAL_PROTOCOLPGM(" Kp: "); SERIAL_PROTOCOLLN(Kp);
               SERIAL_PROTOCOLPGM(" Ki: "); SERIAL_PROTOCOLLN(Ki);
               SERIAL_PROTOCOLPGM(" Kd: "); SERIAL_PROTOCOLLN(Kd);