Fix php cs issues

Signed-off-by: Julius Härtl <jus@bitgrid.net>

lib/Db/RelationalEntity.php

@@ -5,20 +5,20 @@
  * @author Julius Härtl <jus@bitgrid.net>
  *
  * @license GNU AGPL version 3 or any later version
- *  
+ *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU Affero General Public License as
  *  published by the Free Software Foundation, either version 3 of the
  *  License, or (at your option) any later version.
- *  
+ *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU Affero General Public License for more details.
- *  
+ *
  *  You should have received a copy of the GNU Affero General Public License
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *  
+ *
  */
 
 namespace OCA\Deck\Db;
@@ -26,8 +26,7 @@ namespace OCA\Deck\Db;
 use OCP\AppFramework\Db\Entity;
 
 class RelationalEntity extends Entity implements \JsonSerializable {
-
-	private $_relations = array();
+	private $_relations = [];
 	private $_resolvedProperties = [];
 
 	/**
@@ -137,5 +136,4 @@ class RelationalEntity extends Entity implements \JsonSerializable {
 		}
 		return parent::__call($methodName, $args);
 	}
-
-}
+}