Fixing UPDATE error in filecache table when renaming files by calling move(). Add storage id to the where clause to avoid updating entries of other users.

lib/files/cache/cache.php

@@ -335,8 +335,8 @@ class Cache {
 
 		if ($sourceData['mimetype'] === 'httpd/unix-directory') {
 			//find all child entries
-			$query = \OC_DB::prepare('SELECT `path`, `fileid` FROM `*PREFIX*filecache` WHERE `path` LIKE ?');
-			$result = $query->execute(array($source . '/%'));
+			$query = \OC_DB::prepare('SELECT `path`, `fileid` FROM `*PREFIX*filecache` WHERE `storage` = ? AND `path` LIKE ?');
+			$result = $query->execute(array($this->getNumericStorageId(), $source . '/%'));
 			$childEntries = $result->fetchAll();
 			$sourceLength = strlen($source);
 			$query = \OC_DB::prepare('UPDATE `*PREFIX*filecache` SET `path` = ?, `path_hash` = ? WHERE `fileid` = ?');