repo: create watch after initial change set

SparkleLib/SparkleRepoBase.cs

@@ -86,11 +86,11 @@ namespace SparkleLib {
                 this.status = status;
             };
 
-            CreateWatcher ();
-
             if (CurrentRevision == null)
                 CreateInitialChangeSet ();
 
+            CreateWatcher ();
+
             this.local_timer.Elapsed += delegate (object o, ElapsedEventArgs args) {
                 CheckForChanges ();
             };