Added xml namespace in each XInclude element.

PowerDeComposer/src/main/java/com/xbreeze/xml/decompose/XmlDecomposer.java

@@ -796,7 +796,7 @@ private Path parseAndWriteDocumentParts(VTDNav nv, Charset fileCharset, TargetFi
 					// Insert the include sub element in the include tag.
 					includeElementStringBuffer.append(String.format(" %s=\"%s\"", includeAttributeName, XMLUtils.escapeXMLChars(includeAttributesWithValues.get(includeAttributeName))));				
 				}
-				includeElementStringBuffer.append(" />");
+				includeElementStringBuffer.append(" xmlns:xi=\"http://www.w3.org/2001/XInclude\" />");
 
 				// Insert the full include element.
 		    	xm.insertBeforeElement(includeElementStringBuffer.toString());