am: don't call mailinfo if $rebasing

diff --git a/RelNotes b/RelNotes
index ed984e3b41b514333b7493d4082b52325116afd4..19bb2ebbe687d9ded1a5c82d28d4410de1e2f19f 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.6.4.3.txt
\ No newline at end of file
+Documentation/RelNotes/1.7.12.txt
\ No newline at end of file