reflog-walk: always make HEAD@{0} show indexed selectors

diff --git a/RelNotes b/RelNotes
index e5de2fa02b2a5eab1252868dd5719206d2a387fa..81eb3c2271e534c04ec65227b45da12ab6eccf77 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.5.1.6.txt
\ No newline at end of file
+Documentation/RelNotes/1.7.7.7.txt
\ No newline at end of file