Bug

- When handleRecurrence was cloning the parent task, it failed to set
  a new ID, so all the child tasks were given the ID of the parent.
- Cleaned up bug.annual.t.

src/recur.cpp

@@ -94,6 +94,7 @@ void handleRecurrence ()
 
           Task rec (*t);                         // Clone the parent.
           rec.setStatus (Task::pending);         // Change the status.
+          rec.id = context.tdb2.next_id ();      // New ID.
           rec.set ("uuid", uuid ());             // New UUID.
           rec.set ("parent", t->get ("uuid"));   // Remember mom.
           rec.setEntry ();                       // New entry date.