hush: fix readonly2.tests failure

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/hush_test/hush-vars/readonly2.right b/shell/hush_test/hush-vars/readonly2.right
index 5b02ddf..38551d4 100644
--- a/shell/hush_test/hush-vars/readonly2.right
+++ b/shell/hush_test/hush-vars/readonly2.right
@@ -1,4 +1,5 @@
 hush: a=Z: readonly variable
 Visible:42
+
 hush: a=Z: readonly variable
 Visible:42