Return empty array if file does not exist inside Shared folder, fixes issue #91

lib/files.php

@@ -47,6 +47,8 @@ class OC_Files {
 			if ($path == '/Shared') {
 				list($info) = OCP\Share::getItemsSharedWith('file', OC_Share_Backend_File::FORMAT_FILE_APP_ROOT);
 			} else {
+				$info = array();
+				if (OC_Filesystem::file_exists($path)) {
 					$info['size'] = OC_Filesystem::filesize($path);
 					$info['mtime'] = OC_Filesystem::filemtime($path);
 					$info['ctime'] = OC_Filesystem::filectime($path);
@@ -54,6 +56,7 @@ class OC_Files {
 					$info['encrypted'] = false;
 					$info['versioned'] = false;
 				}
+			}
 		} else {
 			$info = OC_FileCache::get($path);
 		}