update pinned

.pinned

@@ -15,6 +15,6 @@ serialization;https://github.com/status-im/nim-serialization@#4bdbc29e54fe540499
 stew;https://github.com/status-im/nim-stew@#3159137d9a3110edb4024145ce0ba778975de40e
 testutils;https://github.com/status-im/nim-testutils@#dfc4c1b39f9ded9baf6365014de2b4bfb4dafc34
 unittest2;https://github.com/status-im/nim-unittest2@#2300fa9924a76e6c96bc4ea79d043e3a0f27120c
-webrtc;https://github.com/status-im/nim-webrtc.git@#ec51a19880f533d2f0afc9e79fa9894f81f25c40
+webrtc;https://github.com/status-im/nim-webrtc.git@#525fb37882397dead197152e0e49af38796940b5
 websock;https://github.com/status-im/nim-websock@#f8ed9b40a5ff27ad02a3c237c4905b0924e3f982
 zlib;https://github.com/status-im/nim-zlib@#a2f44bb7f65571a894227ff6fde9298a104e03a5

libp2p/transports/webrtctransport.nim

@@ -141,6 +141,7 @@ method write*(s: WebRtcStream, msg2: seq[byte]): Future[void] =
   return retFuture
 
 proc actuallyClose(s: WebRtcStream) {.async.} =
+  debug "stream closed"
   if s.rxState == Closed and s.txState == Closed and s.readData.len == 0:
     #TODO add support to DataChannel
     #await s.dataChannel.close()
@@ -269,7 +270,6 @@ method upgrade*(
       stream,
       initiator = true, # we are always the initiator in webrtc-direct
       peerId = peerId
-      #TODO: add prelude data
     )
 
   # Peer proved its identity, we can close this
@@ -367,10 +367,9 @@ proc connHandler(self: WebRtcTransport,
                  observedAddr: Opt[MultiAddress],
                  dir: Direction): Future[Connection] {.async.} =
 
-  trace "Handling ws connection", address = $observedAddr,
-                                   dir = $dir,
-                                   clients = self.clients[Direction.In].len +
-                                   self.clients[Direction.Out].len
+  trace "Handling webrtc connection", address = $observedAddr, dir = $dir,
+                                      clients = self.clients[Direction.In].len +
+                                      self.clients[Direction.Out].len
 
   let conn: Connection =
     WebRtcConnection.new(