[reSIProcate] minor bug in ClientSubscription::end()

[kaiduan xie <kaiduanx@xxxxxxxx>]

Hi, all,

Found a minor bug in ClientSubscription::end()

void  
ClientSubscription::end()
{
   InfoLog (<< "End subscription: " <<
mLastRequest.header(h_RequestLine).uri());
   
   //mDialog.makeRequest(mLastRequest, SUBSCRIBE);
   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   mDialog.makeRequest(mLastRequest, SUBSCRIBE);
//xkd-2004-11-4
   mLastRequest.header(h_Expires).value() = 0;   
   send(mLastRequest);
}

the use case is
 1: SUBSCRIBE success
 2: Client actively terminate the subscription before
ANY subscription refresh.

In this case, there is no tag in SUBSCRIBE's TO
header. At server side, this SUBSCRIBE is treated as a
NEW subscription with expires value of zero, and send
back a NOTIFY. The proxy doesnot reply the NOTIFY. I
caught this while testing with Free World Dialup.

Thanks,

kaiduan


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