Changed Roundcube address book name from ownCloud to Nextcloud

setup/webmail.sh

@@ -138,8 +138,8 @@ cat > ${RCM_PLUGIN_DIR}/carddav/config.inc.php <<EOF;
 /* Do not edit. Written by Mail-in-a-Box. Regenerated on updates. */
 \$prefs['_GLOBAL']['hide_preferences'] = true;
 \$prefs['_GLOBAL']['suppress_version_warning'] = true;
-\$prefs['ownCloud'] = array(
-	 'name'         =>  'ownCloud',
+\$prefs['Nextcloud'] = array(
+	 'name'         =>  'Nextcloud',
 	 'username'     =>  '%u', // login username
 	 'password'     =>  '%p', // login password
 	 'url'          =>  'https://${PRIMARY_HOSTNAME}/cloud/remote.php/carddav/addressbooks/%u/contacts',