fixes issue #2060 introduced in 5fcad29 that breaks the evaluation of values when watcher.fsx is used

enzian · enzian · commit 80f41e9dc5ad · 2025-02-12T11:45:14.000+01:00
diff --git a/release/watcher/watcher.fsx b/release/watcher/watcher.fsx
@@ -213,4 +213,4 @@ fsi.AddPrinter (fun (_: obj) ->
     }
     |> Async.Start
 
-    "")
+    null)
