<?xml version="1.0"  encoding="UTF-8"?>  
<!-- Generated by Fujitsu XWand B0091C -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <link:loc xlink:type="locator" xlink:href="dgi-rel-2008-01-30.xsd#dgi-rel_RelationshipType" xlink:label="RelationshipType" xlink:title="RelationshipType"/>
    <link:label xlink:type="resource" xlink:label="label_RelationshipType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RelationshipType" xml:lang="es" id="label_RelationshipType">Tipo de relación</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelationshipType" xlink:to="label_RelationshipType" xlink:title="label: RelationshipType to label_RelationshipType"/>
    <link:label xlink:type="resource" xlink:label="label_RelationshipType_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RelationshipType" xml:lang="en" id="label_RelationshipType_2">Relationship Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelationshipType" xlink:to="label_RelationshipType_2" xlink:title="label: RelationshipType to label_RelationshipType"/>
  </link:labelLink>
 </link:linkbase>