removed the usage of deprecated methods

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@19558 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/FileSystemProvisioner.java

@@ -204,7 +204,7 @@ public abstract class FileSystemProvisioner implements ExtensionPoint, Describab
             File wss = new File(build.getRootDir(),"workspace.zip");
             OutputStream os = new BufferedOutputStream(new FileOutputStream(wss));
             try {
-                ws.createZipArchive(os);
+                ws.zip(os);
             } finally {
                 os.close();
             }