Indent tool_change_prime

Marlin/src/module/tool_change.cpp

@@ -861,7 +861,8 @@ void tool_change_prime() {
       sync_plan_position_e(); // Resume at the old E position
     }
   }
-#endif
+
+#endif // TOOLCHANGE_FILAMENT_SWAP
 
 /**
  * Perform a tool-change, which may result in moving the