Comment out unused variables

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@12891 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_reference/mod_reference.c

@@ -272,8 +272,8 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
 {
 	switch_channel_t *channel = NULL;
 	private_t *tech_pvt = NULL;
-	switch_time_t started = switch_time_now();
-	unsigned int elapsed;
+	//switch_time_t started = switch_time_now();
+	//unsigned int elapsed;
 	switch_byte_t *data;
 
 	channel = switch_core_session_get_channel(session);