Backport r1343: Fix failing test test_serf_setup_proxy.


git-svn-id: https://svn.apache.org/repos/asf/serf/branches/0.3.x@1698881 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/test/test_context.c b/test/test_context.c
index 7b7cac9..8132b86 100644
--- a/test/test_context.c
+++ b/test/test_context.c
@@ -489,7 +489,7 @@
         {SERVER_RECV,
          "GET http://localhost:" SERV_PORT_STR " HTTP/1.1" CRLF\
          "Transfer-Encoding: chunked" CRLF\
-         "Host: localhost" CRLF\
+         "Host: localhost:" SERV_PORT_STR CRLF\
          CRLF\
          "1" CRLF\
          "1" CRLF\