Fixed another nasty bug. Possibly also because the JavaMail API changed to first call protocolConnect with a null password and if that fails to lookup the password and call protocolConnect again.

grendel/storage/PopStore.java

@@ -120,6 +120,8 @@ public class PopStore extends Store {
       check(readln(), "USER command not accepted");
       writeln("PASS " + password);
       if (!resultOK(readln())) {
+      	fSocket.close();
+      	fSocket = null;         // Otherwise it thinks we're still connected
         return false;           // Authentication failed.
       }
     } catch (UnknownHostException e) {