Properly handle AST_CONTROL_PROGRESS by just ignoring it. An unknown indication

will trigger an error and cause sounds to stop, which in this case, is ringing.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@64306 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_alsa.c

@@ -748,6 +748,7 @@ static int alsa_indicate(struct ast_channel *chan, int cond, const void *data, s
 			res = 2;
 			break;
 		case AST_CONTROL_RINGING:
+		case AST_CONTROL_PROGRESS:
 			break;
 		case -1:
 			res = -1;