Merged revisions 64306 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r64306 | russell | 2007-05-14 14:13:00 -0500 (Mon, 14 May 2007) | 3 lines

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.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@64322 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_alsa.c

@@ -758,6 +758,7 @@ 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;