Fix compilation warnings.
Fix compilation warnings.

* test/test_context.c
  (test_serf_connection_request_create,
  test_serf_connection_priority_request_create,
  test_serf_closed_connection, test_serf_setup_proxy,
  test_keepalive_limit_one_by_one,
  test_keepalive_limit_one_by_one_and_burst): Make functions static.


git-svn-id: 683495cb1553624b05a54e2ba9533425f69cf277@1161 61a7d7f5-40b7-0310-9c16-bb0ea8cb1845

coapp-packages/serf,coapp-packages/serf,coapp-packages/serf