git diff --quiet -w: check and report the status

diff --git a/RelNotes b/RelNotes
index 8abe4c292b53249d22252f54c877a798ff604327..9fadb0afe4ae9bac23f80dd2b64106a171720ec9 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.5.1.5.txt
\ No newline at end of file
+Documentation/RelNotes-1.7.0.1.txt
\ No newline at end of file