Make sure that the channel is answered before doing SpeechBackground. (issue #josh-wait-I-dont-have-issue-numbers)

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@27194 f38db490-d61c-443f-a65b-d21fe96a405b

apps/app_speech_utils.c

@@ -512,6 +512,12 @@ static int speech_background(struct ast_channel *chan, void *data)
                 return -1;
         }
 
+	/* If channel is not already answered, then answer it */
+	if (chan->_state != AST_STATE_UP && ast_answer(chan)) {
+		LOCAL_USER_REMOVE(u);
+		return -1;
+	}
+
         /* Record old read format */
         oldreadformat = chan->readformat;