this can be static

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@7255 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/model/ComputerSet.java

@@ -38,7 +38,7 @@ public final class ComputerSet implements ModelObject {
         return "nodes";
     }
 
-    public List<NodeMonitor> get_monitors() {
+    public static List<NodeMonitor> get_monitors() {
         return monitors;
     }