After reconsidering, with respect to 13409, ast_cdr_detach should be OK, better in fact, than ast_cdr_free, which generates lots of useless warnings that will undoubtably generate complaints.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@140690 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/channel.c

@@ -1279,7 +1279,7 @@ void ast_channel_free(struct ast_channel *chan)
 	ast_jb_destroy(chan);
 
 	if (chan->cdr) {
-		ast_cdr_free(chan->cdr);
+		ast_cdr_detach(chan->cdr);
 		chan->cdr = NULL;
 	}