Change parse_attr() to take a pointer to struct attr_state

diff --git a/RelNotes b/RelNotes
index 00e77229ddadcb8a13b10b693a96bd76a4cb9f33..6372427426d80b01b03437fd1a55fd412fb8f75d 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.7.1.txt
\ No newline at end of file
+Documentation/RelNotes/1.7.7.txt
\ No newline at end of file