(vc-backend-diff): Always use -q option.

diff --git a/lisp/vc.el b/lisp/vc.el
index 30efd4ebecbe77a0d7f4ff94aae20a41c066125a..840113f58de4e955bdba08d487e2c4607c6a6dab 100644 (file)
--- a/lisp/vc.el
+++ b/lisp/vc.el
@@ -1487,6 +1487,7 @@ Return nil if there is no such person."
         (or (vc-backend-dispatch file "vcdiff" "rcsdiff")
             (vc-registration-error file))
         file
+        "-q"
         (and oldvers (concat "-r" oldvers))
         (and newvers (concat "-r" newvers))
         (if (listp diff-switches)