fix ununsed variables

apps/files_versions/lib/versions.php

@@ -231,9 +231,9 @@ class Storage {
 			foreach( $versions as $key => $value ) {
 
 				// flag the first matched file in array (which will have latest modification date) as current version
-				if ( $versions[$key]['fileMatch'] ) {
+				if ( $value['fileMatch'] ) {
 
-					$versions[$key]['cur'] = 1;
+					$value['cur'] = 1;
 					break;
 						
 				}

lib/connector/sabre/locks.php

@@ -108,7 +108,7 @@ class OC_Connector_Sabre_Locks extends Sabre_DAV_Locks_Backend_Abstract {
 
 		$locks = $this->getLocks($uri,false);
 		$exists = false;
-		foreach($locks as $k=>$lock) {
+		foreach($locks as $lock) {
 			if ($lock->token == $lockInfo->token) $exists = true;
 		}