fixed a compilation problem.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@22949 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/test/java/hudson/model/RunTest.java

@@ -34,16 +34,16 @@ import java.util.List;
 public class RunTest extends TestCase {
     private List<Run<?,?>.Artifact> createArtifactList(String... paths) {
         Run<?,?> r = new Run(null,new GregorianCalendar()) {
-			public int compareTo(Object arg0) {
+			public int compareTo(Run arg0) {
 				return 0;
 			}
         };
         Run<?,?>.ArtifactList list = r.new ArtifactList();
         for (String p : paths) {
-            list.add(r.new Artifact(p,p));  // Assuming all test inputs don't need urlencoding
+            list.add(r.new Artifact(p,p,p,"n"+list.size()));  // Assuming all test inputs don't need urlencoding
         }
         list.computeDisplayName();
-        return list;
+        return (List)list;
     }
     
     public void testArtifactListDisambiguation1() {