Reset the sentringing indication when redirects occur.

If a redirecting control frame is processed or a call forward occurs,
we need to reset the sentringing flag so that we can send another ringing
indication to the phone that may contain a connected line update.

AST-164



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@206455 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_dial.c

@@ -972,6 +972,7 @@ static struct ast_channel *wait_for_answer(struct ast_channel *in,
 				continue;
 			/* here, o->chan == c == winner */
 			if (!ast_strlen_zero(c->call_forward)) {
+				(*sentringing) = 0;
 				do_forward(o, &num, peerflags, single, to);
 				continue;
 			}
@@ -1097,6 +1098,7 @@ static struct ast_channel *wait_for_answer(struct ast_channel *in,
 					} else {
 						ast_verb(3, "%s redirecting info has changed, passing it to %s\n", c->name, in->name);
 						ast_indicate_data(in, AST_CONTROL_REDIRECTING, f->data.ptr, f->datalen);
+						(*sentringing) = 0;
 					}
 					break;
 				case AST_CONTROL_PROCEEDING: