managing systemd-timesyncd in conf_ntp, make use of die instead of exit

modules/conf_ntp.sh

@@ -1,9 +1,16 @@
 # NTP
 
-export VER_conf_ntp="0.0.2"
+export VER_conf_ntp="0.0.3"
 
 conf_ntp()
 {
+    if [[ $(pidof systemd) ]]; then
+        prnt I "Désactivation de Systemd-timesyncd..."
+        systemctl disable systemd-timesyncd || true
+    fi
+
+    prnt I "Installation du démon ntp..."
+    pkginst ntp
     prnt I "Arrêt du service ntp..."
     svc_stop ntp
 
@@ -28,7 +35,7 @@ precheck_conf_ntp()
 {
     if [[ ! $NTPSERVERS ]]; then
 	prnt E "Pas de serveur NTP configuré !"
-	exit 1
+	die 5
     fi
 }