fixed a compile error

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@15676 71c3de6d-444a-0410-be80-ed276b4c234a

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

@@ -495,7 +495,7 @@ public final class Hudson extends Node implements ItemGroup<TopLevelItem>, Stapl
         }
 
         // run the init code of SubversionSCM before we load plugins so that plugins can change SubversionWorkspaceSelector.
-        SubversionSCM.DescriptorImpl.DESCRIPTOR.getDisplayName();
+        SubversionSCM.init();
 
         // load plugins.
         pluginManager = new PluginManager(context);

core/src/main/java/hudson/scm/SubversionSCM.java

@@ -1633,6 +1633,9 @@ public class SubversionSCM extends SCM implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
+    // noop, but this forces the initializer to run.
+    public static void init() {}
+
     static {
         new Initializer();
     }