We don't include the swing layout source zip.

diff -Nur netbeans-platform-6.9/o.jdesktop.layout/nbproject/project.properties netbeans-platform-6.9.new/o.jdesktop.layout/nbproject/project.properties
--- netbeans-platform-6.9/o.jdesktop.layout/nbproject/project.properties	2010-05-31 20:58:16.000000000 +0400
+++ netbeans-platform-6.9.new/o.jdesktop.layout/nbproject/project.properties	2010-06-10 09:34:11.689150157 +0400
@@ -42,6 +42,6 @@
 
 is.autoload=true
 release.external/swing-layout-1.0.4.jar=modules/ext/swing-layout-1.0.4.jar
-release.external/swing-layout-1.0.4-doc.zip=docs/swing-layout-1.0.4-doc.zip
-release.external/swing-layout-1.0.4-src.zip=docs/swing-layout-1.0.4-src.zip
+#release.external/swing-layout-1.0.4-doc.zip=docs/swing-layout-1.0.4-doc.zip
+#release.external/swing-layout-1.0.4-src.zip=docs/swing-layout-1.0.4-src.zip
 jnlp.indirect.jars=docs/swing-layout-1.0.4-doc.zip, docs/swing-layout-1.0.4-src.zip
