stash push: avoid printing errors

diff --git a/RelNotes b/RelNotes
index f6490be2eb0358516051bbf3359ee2def80d3c08..6162eb4395ea78354187619db50545c443772b73 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes/1.7.11.5.txt
\ No newline at end of file
+Documentation/RelNotes/2.15.2.txt
\ No newline at end of file