res_rtp_asterisk: Fix building when pjproject is not used.

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Merged revisions 423207 from http://svn.asterisk.org/svn/asterisk/branches/11
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Merged revisions 423208 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/13@423209 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_rtp_asterisk.c

@@ -2476,8 +2476,10 @@ static int ast_rtp_new(struct ast_rtp_instance *instance,
 static int ast_rtp_destroy(struct ast_rtp_instance *instance)
 {
 	struct ast_rtp *rtp = ast_rtp_instance_get_data(instance);
+#ifdef HAVE_PJPROJECT
 	struct timeval wait = ast_tvadd(ast_tvnow(), ast_samp2tv(TURN_STATE_WAIT_TIME, 1000));
 	struct timespec ts = { .tv_sec = wait.tv_sec, .tv_nsec = wait.tv_usec * 1000, };
+#endif
 
 	/* Destroy the smoother that was smoothing out audio if present */
 	if (rtp->smoother) {