[BUGFIX] Remove usage of deprecated method extRelPath

Configuration/TCA/tx_t3omembership_domain_model_member.php

@@ -24,7 +24,7 @@ $tca = array(
         ),
         'searchFields'             => 'name,external_id,end_date,address,zip,city,country,email,url,membership,',
         'dynamicConfigFile'        => \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::extPath('t3o_membership') . 'Configuration/TCA/tx_t3omembership_domain_model_member.php',
-        'iconfile'                 => \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::extRelPath('t3o_membership') . 'Resources/Public/Icons/tx_t3omembership_domain_model_member.gif'
+        'iconfile'                 => \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::extPath('t3o_membership') . 'Resources/Public/Icons/tx_t3omembership_domain_model_member.gif'
     ),
     'interface' => array(
         'showRecordFieldList' => 'sys_language_uid, l10n_parent, l10n_diffsource, hidden, name, firstname, lastname, external_id, end_date, address, zip, city, country, email, invoice_email, url, membership, logo',

Configuration/TCA/tx_t3omembership_domain_model_membership.php

@@ -25,7 +25,7 @@ return array(
         ),
         'searchFields'             => 'name,logo,',
         'dynamicConfigFile'        => \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::extPath('t3o_membership') . 'Configuration/TCA/tx_t3omembership_domain_model_membership.php',
-        'iconfile'                 => \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::extRelPath('t3o_membership') . 'Resources/Public/Icons/tx_t3omembership_domain_model_membership.gif'
+        'iconfile'                 => \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::extPath('t3o_membership') . 'Resources/Public/Icons/tx_t3omembership_domain_model_membership.gif'
     ),
     'interface' => array(
         'showRecordFieldList' => 'sys_language_uid, l10n_parent, l10n_diffsource, hidden, name, logo, personal_membership, no_filter',