Fixed bug where importing non-CDDA cuesheets would cause an invalid lead-out track number; also add requirement for non-CDDA lead-out track number to be 255 (SF#1764105: https://sourceforge.net/tracker/index.php?func=detail&aid=1764105&group_id=13478&atid=113478).
diff --git a/test/metaflac-test-files/case59-expect.meta b/test/metaflac-test-files/case59-expect.meta
index 5ec846e..f68d011 100644
--- a/test/metaflac-test-files/case59-expect.meta
+++ b/test/metaflac-test-files/case59-expect.meta
@@ -42,7 +42,7 @@
           number: 1
     track[1]
       offset: 80000
-      number: 1 (LEAD-OUT)
+      number: 255 (LEAD-OUT)
 METADATA block #4
   type: 6 (PICTURE)
   is last: false