Fix operation order

Julien LepillerWed Jan 29 21:40:39+0100 2020

13843a9

Fix operation order

modules/config/dns.scm

132132
    (master '("ene"))))
133133
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(define ipv6-reverse-master-zone
135-
  (let* ((ip6 (string->list (substring (string-delete hermes-ip6 #\:) 0 12)))
135+
  (let* ((ip6 (string->list (substring (string-delete #\: hermes-ip6) 0 12)))
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         (rev-ip6-lst (fold (lambda (elem acc)
137137
                          (cons* #\. elem acc))
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                        '()