url: fix python < 2.6 with ssl installed

_GLOBAL_DEFAULT_TIMEOUT isn't related to ssl, but to python < 2.6, move it to
the right hunk.

mercurial/url.py

@@ -268,11 +268,11 b' if has_https:'
             ssl = socket.ssl(sock, key_file, cert_file)
             return httplib.FakeSocket(sock, ssl)
 
-        _GLOBAL_DEFAULT_TIMEOUT = object()
-
     try:
         _create_connection = socket.create_connection
     except AttributeError:
+        _GLOBAL_DEFAULT_TIMEOUT = object()
+
         def _create_connection(address, timeout=_GLOBAL_DEFAULT_TIMEOUT,
                                source_address=None):
             # lifted from Python 2.6