http: udp proxy uri template parsing

Parse a URI template that has variables "target_host" and "target_port",
where varaibles are at the end of the path:
"/{target_host}/{target_port}/".

Type: improvement
Change-Id: I440b7f4951bffa1fd9971740b9890b221193943b
Signed-off-by: Matus Fabian <matfabia@cisco.com>

src/plugins/hs_apps/http_cli.c

@@ -406,7 +406,7 @@ hcs_ts_rx_callback (session_t *ts)
     }
   if (is_encoded)
     {
-      u8 *decoded = http_percent_decode (args.buf);
+      u8 *decoded = http_percent_decode (args.buf, vec_len (args.buf));
       vec_free (args.buf);
       args.buf = decoded;
     }