Update plugin version id for 3.4.0
diff --git a/plugins/org.eclipse.wst.validation.ui/META-INF/MANIFEST.MF b/plugins/org.eclipse.wst.validation.ui/META-INF/MANIFEST.MF
index e07fade..e630a82 100644
--- a/plugins/org.eclipse.wst.validation.ui/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.wst.validation.ui/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %Bundle-Name.0
 Bundle-SymbolicName: org.eclipse.wst.validation.ui; singleton:=true
-Bundle-Version: 1.2.300.qualifier
+Bundle-Version: 1.2.400.qualifier
 Bundle-Activator: org.eclipse.wst.validation.internal.ui.plugin.ValidationUIPlugin
 Bundle-Vendor: %Bundle-Vendor.0
 Bundle-Localization: plugin