[335336] [editor] Add Extensions Components Dialog does not appear

bundles/org.eclipse.wst.xsd.ui/src-common/org/eclipse/wst/xsd/ui/internal/common/commands/BaseCommand.java

diff --git a/bundles/org.eclipse.wst.xsd.ui/src-common/org/eclipse/wst/xsd/ui/internal/common/commands/BaseCommand.java b/bundles/org.eclipse.wst.xsd.ui/src-common/org/eclipse/wst/xsd/ui/internal/common/commands/BaseCommand.java
index dbbca4c..495fba8 100644
--- a/bundles/org.eclipse.wst.xsd.ui/src-common/org/eclipse/wst/xsd/ui/internal/common/commands/BaseCommand.java
+++ b/bundles/org.eclipse.wst.xsd.ui/src-common/org/eclipse/wst/xsd/ui/internal/common/commands/BaseCommand.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2001, 2010 IBM Corporation and others.
+ * Copyright (c) 2001, 2011 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -50,7 +50,7 @@
     // This label shows up in the undo menu and it would look ugly with the mnemonic in it.
     // Ideally, we'd have separate strings.
 
-    super(label.replaceFirst("&", ""));
+    super(label != null ? label.replaceFirst("&", "") : "");
   }
   
   public XSDConcreteComponent getAddedComponent()