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

diff --git a/RelNotes b/RelNotes
index c543b1d1eedf821fe1e8c31d902a719bfc6ffb20..9fadb0afe4ae9bac23f80dd2b64106a171720ec9 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.5.2.txt
\ No newline at end of file
+Documentation/RelNotes-1.7.0.1.txt
\ No newline at end of file