Fix code-style

lib/private/connector/sabre/principal.php

@@ -79,6 +79,7 @@ class OC_Connector_Sabre_Principal implements \Sabre\DAVACL\PrincipalBackend\Bac
 	 *
 	 * @param string $principal
 	 * @return string[]
+	 * @throws \Sabre\DAV\Exception
 	 */
 	public function getGroupMemberSet($principal) {
 		// TODO: for now the group principal has only one member, the user itself
@@ -97,6 +98,7 @@ class OC_Connector_Sabre_Principal implements \Sabre\DAVACL\PrincipalBackend\Bac
 	 *
 	 * @param string $principal
 	 * @return array
+	 * @throws \Sabre\DAV\Exception
 	 */
 	public function getGroupMembership($principal) {
 		list($prefix, $name) = \Sabre\DAV\URLUtil::splitPath($principal);
@@ -128,7 +130,7 @@ class OC_Connector_Sabre_Principal implements \Sabre\DAVACL\PrincipalBackend\Bac
 	 *
 	 * @param string $principal
 	 * @param array $members
-	 * @return void
+	 * @throws \Sabre\DAV\Exception
 	 */
 	public function setGroupMemberSet($principal, array $members) {
 		throw new \Sabre\DAV\Exception('Setting members of the group is not supported yet');