Initialize fr->cacheable to make valgrind happy

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@113596 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_iax2.c

@@ -8295,6 +8295,7 @@ retryowner2:
 			ast_log(LOG_DEBUG, "Received out of order packet... (type=%d, subclass %d, ts = %d, last = %d)\n", f.frametype, f.subclass, fr->ts, iaxs[fr->callno]->last);
 		fr->outoforder = -1;
 	}
+	fr->cacheable = ((f.frametype == AST_FRAME_VOICE) || (f.frametype == AST_FRAME_VIDEO));
 	duped_fr = iaxfrdup2(fr);
 	if (duped_fr) {
 		schedule_delivery(duped_fr, updatehistory, 0, &fr->ts);