Revert "get address from tuple"

This reverts commit c9d01c8.

Author: benoitc

gunicorn/http/message.py

@@ -31,7 +31,7 @@ def __init__(self, cfg, unreader, peer_addr):
         self.cfg = cfg
         self.unreader = unreader
         self.peer_addr = peer_addr
-        self.remote_addr = peer_addr[0]
+        self.remote_addr = peer_addr
         self.version = None
         self.headers = []
         self.trailers = []