remove ALREADYGONE flag on ooh323 call data by ooh323_indicate

(CONGESTION/BUSY) due to call hasn't gone there really.
This indication arrive from asterisk core not h.323 stack

(closes issue ASTERISK-19308)
Reported by: Dmitry Melekhov
Patches:
        ASTERISK-19308.patch
........

Merged revisions 371089 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 371090 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@371091 65c4cc65-6c06-0410-ace0-fbb531ad65f3

addons/chan_ooh323.c

@@ -1270,13 +1270,11 @@ static int ooh323_indicate(struct ast_channel *ast, int condition, const void *d
 	case AST_CONTROL_CONGESTION:
 		if (!ast_test_flag(p, H323_ALREADYGONE)) {
 			ooHangCall(callToken, OO_REASON_LOCAL_CONGESTED, AST_CAUSE_SWITCH_CONGESTION);
-			ast_set_flag(p, H323_ALREADYGONE);
 		}
 		break;
 	case AST_CONTROL_BUSY:
 		if (!ast_test_flag(p, H323_ALREADYGONE)) {
 			ooHangCall(callToken, OO_REASON_LOCAL_BUSY, AST_CAUSE_USER_BUSY);
-			ast_set_flag(p, H323_ALREADYGONE);
 		}
 		break;
 	case AST_CONTROL_HOLD: