rtp_engine: Output mixup in ${CHANNEL(rtpqos,audio,all)}

Fixed the output of CHANNEL(rtpqos,audio,all) to use txjitter instead
of rxjitter.

(closes issue ASTERISK-23261)
Reported by: rsw686
Patches:
     rtpqos.patch uploaded by rsw686 (license 5887)
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Merged revisions 408646 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 408647 from http://svn.asterisk.org/svn/asterisk/branches/11
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Merged revisions 408649 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@408652 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/rtp_engine.c

@@ -1281,7 +1281,7 @@ char *ast_rtp_instance_get_quality(struct ast_rtp_instance *instance, enum ast_r
 	/* Now actually fill the buffer with the good information */
 	if (field == AST_RTP_INSTANCE_STAT_FIELD_QUALITY) {
 		snprintf(buf, size, "ssrc=%i;themssrc=%u;lp=%u;rxjitter=%f;rxcount=%u;txjitter=%f;txcount=%u;rlp=%u;rtt=%f",
-			 stats.local_ssrc, stats.remote_ssrc, stats.rxploss, stats.txjitter, stats.rxcount, stats.rxjitter, stats.txcount, stats.txploss, stats.rtt);
+			 stats.local_ssrc, stats.remote_ssrc, stats.rxploss, stats.rxjitter, stats.rxcount, stats.txjitter, stats.txcount, stats.txploss, stats.rtt);
 	} else if (field == AST_RTP_INSTANCE_STAT_FIELD_QUALITY_JITTER) {
 		snprintf(buf, size, "minrxjitter=%f;maxrxjitter=%f;avgrxjitter=%f;stdevrxjitter=%f;reported_minjitter=%f;reported_maxjitter=%f;reported_avgjitter=%f;reported_stdevjitter=%f;",
 			 stats.local_minjitter, stats.local_maxjitter, stats.local_normdevjitter, sqrt(stats.local_stdevjitter), stats.remote_minjitter, stats.remote_maxjitter, stats.remote_normdevjitter, sqrt(stats.remote_stdevjitter));