introduced a better alias

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@13181 71c3de6d-444a-0410-be80-ed276b4c234a

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

@@ -109,7 +109,8 @@ public class Items {
         XSTREAM.alias("project",FreeStyleProject.class);
         XSTREAM.alias("maven2", MavenModule.class);
         XSTREAM.alias("dependency", ModuleDependency.class);
-        XSTREAM.alias("maven2-module-set", MavenModule.class);
+        XSTREAM.alias("maven2-module-set", MavenModule.class);  // this was a bug, but now we need to keep it for compatibility
+        XSTREAM.alias("maven2-moduleset", MavenModuleSet.class);
         XSTREAM.alias("matrix-project",MatrixProject.class);
         XSTREAM.alias("axis", Axis.class);
         XSTREAM.alias("matrix-config",MatrixConfiguration.class);