disable steppers as routine in stepper.cpp

Marlin/Marlin.pde

       //processed in write to file routine above
       //card,saving = false;
       break;
+      
     #endif //SDSUPPORT
 
     case 30: //M30 take time since the start of the SD print or an M109 command
       }
       else
       { 
-        st_synchronize(); 
-        LCD_MESSAGEPGM("Free move.");
-        disable_x(); 
-        disable_y(); 
-        disable_z(); 
-        disable_e(); 
+        finishAndDisableSteppers();
       }
       break;
     case 85: // M85

Marlin/stepper.cpp

   CRITICAL_SECTION_END;
   return count_pos;
 }
+
+void finishAndDisableSteppers()
+{
+  st_synchronize(); 
+  LCD_MESSAGEPGM("Released.");
+  disable_x(); 
+  disable_y(); 
+  disable_z(); 
+  disable_e(); 
+}

Marlin/stepper.h

 
 void checkStepperErrors(); //Print errors detected by the stepper
 
+void finishAndDisableSteppers();
+
 extern block_t *current_block;  // A pointer to the block currently being traced