K 10 svn:author V 3 jtl K 8 svn:date V 27 2016-05-06T01:27:01.856078Z K 7 svn:log V 214 MFC r298408: Prevent underflows in tp->snd_wnd if the remote side ACKs more than tp->snd_wnd. This can happen, for example, when the remote side responds to a window probe by ACKing the one byte it contains. END