[HUDSON-3014] Trying to correct CCE from huybrechts' r15534.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@15555 71c3de6d-444a-0410-be80-ed276b4c234a

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

@@ -1014,7 +1014,7 @@ public final class Hudson extends Node implements ItemGroup<TopLevelItem>, Stapl
             public int compare(Computer lhs, Computer rhs) {
                 if(lhs.getNode()==Hudson.this)  return -1;
                 if(rhs.getNode()==Hudson.this)  return 1;
-                return collator.compare(lhs, rhs);
+                return collator.compare(lhs.getDisplayName(), rhs.getDisplayName());
             }
         });
         return r;