send stderr of ykinfo to /dev/null to lessen noise

diff --git a/contrib/oath-unlock-reprogram.sh b/contrib/oath-unlock-reprogram.sh
index eee499c113b45471a5c4f941d0c3e980f95e4d3c..4c2a59ec27478363e248d8d091396149f1edde59 100755 (executable)
--- a/contrib/oath-unlock-reprogram.sh
+++ b/contrib/oath-unlock-reprogram.sh
@@ -59,7 +59,7 @@ when=`date +%Y-%m-%dT%H:%M:%S`
 
 while sleep 1; do
     # Read serial number.
-    serialno=`ykinfo -s -q`
+    serialno=`ykinfo -s -q 2> /dev/null`
     rc=$?
     if test "$rc" != "0"; then
        # ykinfo already printed an error message