Move log message to before the frame it references is freed.

(closes issue #11050)
Reported by: slavon
Patches:
      channel.c.86662.diff uploaded by casper (license 55)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@86663 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/channel.c

@@ -2427,9 +2427,9 @@ static struct ast_frame *__ast_read(struct ast_channel *chan, int dropaudio)
 			if ( ast_test_flag(chan, AST_FLAG_DEFER_DTMF | AST_FLAG_END_DTMF_ONLY) || 
 			    (!ast_tvzero(chan->dtmf_tv) && 
 			      ast_tvdiff_ms(ast_tvnow(), chan->dtmf_tv) < AST_MIN_DTMF_GAP) ) {
+				ast_log(LOG_DTMF, "DTMF begin ignored '%c' on %s\n", f->subclass, chan->name);
 				ast_frfree(f);
 				f = &ast_null_frame;
-				ast_log(LOG_DTMF, "DTMF begin ignored '%c' on %s\n", f->subclass, chan->name);
 			} else {
 				ast_set_flag(chan, AST_FLAG_IN_DTMF);
 				chan->dtmf_tv = ast_tvnow();