fix sockes5 transfer

src/common/file_props.py

@@ -135,6 +135,7 @@ class FileProp(object):
         self.startexmpp = None
         self.session_type = None
         self.request_id = None
+        self.proxyhosts = None
 
     def getsid(self):
         # Getter of the property sid

src/common/protocol/bytestream.py

@@ -735,7 +735,7 @@ class ConnectionSocks5Bytestream(ConnectionBytestream):
             if file_props.stopped:
                 self.remove_transfer(file_props)
             else:
-                gajim.socks5queue.send_file(file_props, self.name, 'client')
+                gajim.socks5queue.send_file(file_props, self.name, 'server')
 
         raise xmpp.NodeProcessed