Handle removed files.

* On Haiku, this will make them disappear from the results list.
* On BeOS, it will only work around the problem that we don't know
  which file was removed from the node monitoring message...


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26848 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/text_search/Grepper.cpp

@@ -188,8 +188,13 @@ Grepper::_GrepperThread()
 		message.MakeEmpty();
 		message.what = MSG_REPORT_RESULT;
 		message.AddString("filename", fileName);
-		
+
 		BEntry entry(fileName);
+		if (!entry.Exists()) {
+			if (fIterator->NotifyNegatives())
+				fTarget.SendMessage(&message);
+			continue;
+		}
 		entry_ref ref;
 		entry.GetRef(&ref);
 		message.AddRef("ref", &ref);