[Pidgin] #8045: support for XEP-0191 simple blocking support servers update

[Pidgin]

#8045: support for XEP-0191 simple blocking support servers update
------------------------+---------------------------------------------------
 Reporter:  darkrain42  |     Owner:  deryni
     Type:  patch       |    Status:  new   
Component:  XMPP        |   Version:        
 Keywords:              |  
------------------------+---------------------------------------------------
 #7670 introduced support for XMPP XEP-0191 Simple Blocking.

 This patch adds support for the server pushing updates to the client when
 another resource modifies the block list.

 As I noted on that ticket, this is entirely untested on my part (I think I
 tested that it compiles)

-- 
Ticket URL: <http://developer.pidgin.im/ticket/8045>
Pidgin <http://pidgin.im>
Pidgin