make sure it doesn't exit with non-zero exit code in case cron mode is disabled

ntp/ntp.spec

@@ -33,7 +33,7 @@ Distribution: OpenPKG [CORE]
 Group:        Network
 License:      BSD-style
 Version:      4.1.2
-Release:      20030811
+Release:      20030812
 
 #   package options
 %option       with_fsl  yes

ntp/rc.ntp

@@ -73,28 +73,31 @@
 %quarterly -p 800 -u @l_susr@
     rcService ntp enable yes || exit 0
     [ ".$ntp_mode" = .quarterly ] && ntp_once 30
+    exit 0
 
 %hourly -p 800 -u @l_susr@
     rcService ntp enable yes || exit 0
     [ ".$ntp_mode" = .hourly ] && ntp_once 30
+    exit 0
 
 %daily -p 800 -u @l_susr@
     rcService ntp enable yes || exit 0
     [ ".$ntp_mode" = .daily ] && ntp_once 30
-
-    #   rotate logfile
     shtool rotate -f \
         -n ${ntp_log_numfiles} -s ${ntp_log_minsize} -d \
         -z ${ntp_log_complevel} -m 644 -o @l_susr@ -g @l_mgrp@ \
         -P "${ntp_log_prolog}" \
         -E "${ntp_log_epilog} && rc ntp restart" \
         @l_prefix@/var/ntp/ntp.log
+    exit 0
 
 %weekly -p 800 -u @l_susr@
     rcService ntp enable yes || exit 0
     [ ".$ntp_mode" = .weekly ] && ntp_once 30
+    exit 0
 
 %monthly -p 800 -u @l_susr@
     rcService ntp enable yes || exit 0
     [ ".$ntp_mode" = .monthly ] && ntp_once 30
+    exit 0