[lightsoff] Do not create new fundamental types

[Michael Catanzaro <mcatanzaro src gnome org>]

commit f3ce65a32711ee510644e7452dd379e76c39c9a4
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Tue Jun 24 08:53:27 2014 -0500

    Do not create new fundamental types

 src/puzzle-generator.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/puzzle-generator.vala b/src/puzzle-generator.vala
index c19ea0e..e6cfda3 100644
--- a/src/puzzle-generator.vala
+++ b/src/puzzle-generator.vala
@@ -31,7 +31,7 @@
 // (Certainly, on average, at most half the lights which belong to at least
 // one null set may be used.)
 
-public class PuzzleGenerator
+public class PuzzleGenerator : Object
 {
     private int size;
     private int max_solution_length;