NTP entry placeholder change

source/ubl-settings-datetime.c

@@ -461,6 +461,9 @@ void on_ntp_sync(GtkWidget *, main_window *widgets){
             }
             break;
         case 1:
+                gtk_entry_set_placeholder_text(GTK_ENTRY(widgets->NTPEntry),"DHCP");
+                gtk_entry_set_text(GTK_ENTRY(widgets->NTPEntry),"");
+            break;
         case 5:
                 gtk_entry_set_placeholder_text(GTK_ENTRY(widgets->NTPEntry),"");
                 gtk_entry_set_text(GTK_ENTRY(widgets->NTPEntry),"");