Fix report_current_position

Thanks @RowanMeara!

Marlin/Marlin_main.cpp

   SERIAL_PROTOCOLPGM("X:");
   SERIAL_PROTOCOL(LOGICAL_X_POSITION(current_position[X_AXIS]));
   SERIAL_PROTOCOLPGM(" Y:");
-  SERIAL_PROTOCOL(LOGICAL_X_POSITION(current_position[Y_AXIS]));
+  SERIAL_PROTOCOL(LOGICAL_Y_POSITION(current_position[Y_AXIS]));
   SERIAL_PROTOCOLPGM(" Z:");
   SERIAL_PROTOCOL(LOGICAL_Z_POSITION(current_position[Z_AXIS]));
   SERIAL_PROTOCOLPGM(" E:");