<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated by Fujitsu XWand 7.0.0020 -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" 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:dgi-lc-int="http://www.xbrl.org.es/gp/dgi-lc-int-2005-03-10"/>