Discard error messages while checking whether rsh, rlogin, and rcp

alternatives exist (closes: #579285).

1 files changed, 1 insertions, 1 deletions

diff --git a/debian/openssh-client.postinst b/debian/openssh-client.postinst
index 3e33aeb82..cff282d70 100644
--- a/debian/openssh-client.postinst
+++ b/debian/openssh-client.postinst
@@ -42,7 +42,7 @@ create_alternatives() {
         update-alternatives --quiet --remove rcp /usr/bin/ssh
         for cmd in rsh rlogin rcp; do
                 scmd="s${cmd#r}"
-                if ! update-alternatives --display "$cmd" | \
+                if ! update-alternatives --display "$cmd" 2>/dev/null | \
                                 grep -q "$scmd"; then
                         update-alternatives --quiet --install "/usr/bin/$cmd" "$cmd" "/usr/bin/$scmd" 20 \
                                 --slave "/usr/share/man/man1/$cmd.1.gz" "$cmd.1.gz" "/usr/share/man/man1/$scmd.1.gz"