clear complete-status cache if flushing tasklist-caches. this is necessary for properly displaying pdv-recurrent tasks after a sync.

astrid/src/com/todoroo/astrid/adapter/TaskAdapter.java

@@ -532,6 +532,7 @@ public class TaskAdapter extends CursorAdapter implements Filterable {
      * Called to tell the cache to be cleared
      */
     public void flushCaches() {
+        completedItems.clear();
         extendedDetailManager.clearCache();
         decorationManager.clearCache();
         taskActionManager.clearCache();
@@ -544,6 +545,7 @@ public class TaskAdapter extends CursorAdapter implements Filterable {
      * Called to tell the cache to be cleared
      */
     public void flushSpecific(long taskId) {
+        completedItems.put(taskId, null);
         extendedDetailManager.clearCache(taskId);
         decorationManager.clearCache(taskId);
         taskActionManager.clearCache(taskId);