capped the allowed depth in bencoded messages, to avoid triggering stack overflows by malformed messages
capped the allowed depth in bencoded messages, to avoid triggering stack overflows by malformed messages

git-svn-id: 6df6a9299d9fe08e1e18eb0c01ae615f7df02338@1968 a83610d8-ad2a-0410-a6ab-fc0612d85776

kuro/libtorrent,cit/libtorrent-peer-idol,cit/libtorrent-peer-idol,cscheid/libtorrent,kuro/libtorrent,cscheid/libtorrent,cit/libtorrent-peer-idol,cscheid/libtorrent,cscheid/libtorrent,cit/libtorrent-peer-idol,kuro/libtorrent,cscheid/libtorrent,kuro/libtorrent,cit/libtorrent-peer-idol,cit/libtorrent-peer-idol,cscheid/libtorrent