Fix a bug introduced with r249751, in which a small hunk was forgotten in

the performance conversion process.

The effect of this was, when your /etc/defaults/rc.conf file changed
(based on md5(1)) and re-generating the file startup_rcconf_map.cache in
/var/run/bsdconfig/ you would get a screen-dump of its contents before the
menu would appear.

usr.sbin/bsdconfig/startup/share/rcconf.subr

@@ -207,7 +207,11 @@ f_startup_rcconf_map()
 	)
 	export STARTUP_RCCONF_MAP
 	export _STARTUP_RCCONF_MAP=1
-	echo "$STARTUP_RCCONF_MAP"
+	if [ "$__var_to_set" ]; then
+		setvar "$__var_to_set" "$STARTUP_RCCONF_MAP"
+	else
+		echo "$STARTUP_RCCONF_MAP"
+	fi
 
 	#
 	# Attempt to create the persistant global cache