zoneconf.in: Fix the resign interval.

The default is not to resign records if there's more than a quarter of
their lives left to live.  But that's about 12 hours, and there's no
guarantee they'll be resigned in less than 24 hours.  Require an extra
hour for slack.

diff --git a/zoneconf.in b/zoneconf.in
index 21cff51..7af2845 100755 (executable)
--- a/zoneconf.in
+++ b/zoneconf.in
@@ -1000,7 +1000,7 @@ define-configuration-space zone ZONECFG {
           "-S" \
           "-K%h/key" \
           "-d%h/ds" \
-          "-s-3600" "-e+176400" \
+          "-s-3600" "-e+176400" "-i90000" \
           "-N%q" \
           "-o%z" \
           "-f%o" \