some readability improvements

modules/conf_ntp.sh

@@ -11,7 +11,7 @@
 #  * NTPSERVERS: list of NTP servers
 # ------------------------------------------------------------------------------
 
-export VER_conf_ntp="0.1.2"
+export VER_conf_ntp="0.1.3"
 export DEP_conf_ntp=""
 
 conf_ntp()
@@ -31,7 +31,7 @@ conf_ntp()
     backupdist /etc/ntp.conf
     installfile ntp.conf $dest
     local line=""
-    for srv in $NTPSERVERS; do
+    for srv in $NTP_SERVERS; do
         line="${line}server $srv iburst\n"
     done
     sed -i -e "s/@SERVERLIST@/$line/" $dest &&
@@ -47,12 +47,15 @@ conf_ntp()
 # NTP
 precheck_conf_ntp()
 {
-    if [[ -z $NTPSERVERS ]]; then
+    if [[ -z $NTP_SERVERS ]]; then
         prnt E "No configured NTP server!"
         die 151
     else
         file_exists ntp.conf
-        prnt m "The NTP servers to be used will be: $NTPSERVERS"
+        prnt m "The NTP servers to be used will be:"
+        for srv in $NTP_SERVERS; do
+            prnt m "  * $srv"
+        done
     fi
 }