Add "DAHDI" to a couple of app_meetme error messages.

This is in response to some questions on IRC.  To the user, there was nothing
that made it obvious that this error had anything to do with DAHDI not being
loaded.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@297228 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_meetme.c

@@ -826,7 +826,7 @@ static struct ast_conference *build_conf(char *confno, char *pin, char *pinadmin
 	ztc.confmode = DAHDI_CONF_CONFANN | DAHDI_CONF_CONFANNMON;
 	cnf->fd = open(DAHDI_FILE_PSEUDO, O_RDWR);
 	if (cnf->fd < 0 || ioctl(cnf->fd, DAHDI_SETCONF, &ztc)) {
-		ast_log(LOG_WARNING, "Unable to open pseudo device\n");
+		ast_log(LOG_WARNING, "Unable to open DAHDI pseudo device\n");
 		if (cnf->fd >= 0)
 			close(cnf->fd);
 		free(cnf);
@@ -1807,7 +1807,7 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 		/* open pseudo in non-blocking mode */
 		fd = open(DAHDI_FILE_PSEUDO, O_RDWR | O_NONBLOCK);
 		if (fd < 0) {
-			ast_log(LOG_WARNING, "Unable to open pseudo channel: %s\n", strerror(errno));
+			ast_log(LOG_WARNING, "Unable to open DAHDI pseudo channel: %s\n", strerror(errno));
 			goto outrun;
 		}
 		using_pseudo = 1;