Update settings/ajax/setlanguage.php

respect coding style

settings/ajax/setlanguage.php

 <?php
 
 // Init owncloud
-require_once('../../lib/base.php');
+require_once '../../lib/base.php';
 
 $l=OC_L10N::get('settings');
 
@@ -10,10 +10,10 @@ OCP\JSON::callCheck();
 
 
 // Get data
-if( isset( $_POST['lang'] ) ){
+if( isset( $_POST['lang'] ) ) {
 	$languageCodes=OC_L10N::findAvailableLanguages();
 	$lang=$_POST['lang'];
-	if(array_search($lang,$languageCodes) or $lang=='en'){
+	if(array_search($lang, $languageCodes) or $lang=='en') {
 		OC_Preferences::setValue( OC_User::getUser(), 'core', 'lang', $lang );
 		OC_JSON::success(array("data" => array( "message" => $l->t("Language changed") )));
 	}else{