services: dhcp-client: Deprecate 'dhcp-client-service' procedure.

* gnu/services/networking.scm (dhcp-client-service-type): Add default
value.
* gnu/system/examples/bare-bones.tmpl: Use (service
dhcp-client-service-type) instead of (dhcp-client-service).
* gnu/system/examples/beaglebone-black.tmpl: Likewise.
* gnu/tests/base.scm (%avahi-os): Likewise.
* gnu/tests/databases.scm (%memcached-os): Likewise.
(%mongodb-os): Likewise.
* gnu/tests/dict.scm (%dicod-os): Likewise.
* gnu/tests/mail.scm (%opensmtpd-os): Likewise.
(%exim-os): Likewise.
(%dovecot-os): Likewise.
* gnu/tests/messaging.scm (run-xmpp-test): Likewise.
(run-bitlbee-test): Likewise.
* gnu/tests/monitoring.scm (%prometheus-node-exporter-os): Likewise.
* gnu/tests/networking.scm (%inetd-os): Likewise.
(run-iptables-test): Likewise.
* gnu/tests/nfs.scm (%base-os): Likewise.
* gnu/tests/rsync.scm (%rsync-os): Likewise.
* gnu/tests/ssh.scm (run-ssh-test): Likewise.
* gnu/tests/version-control.scm (%cgit-os): Likewise.
(%git-http-os): Likewise.
(%gitolite-os): Likewise.
* gnu/tests/virtualization.scm (%libvirt-os): Likewise.
* gnu/tests/web.scm (%httpd-os): Likewise.
(%nginx-os): Likewise.
(%varnish-os): Likewise.
(%php-fpm-os): Likewise.
(%hpcguix-web-os): Likewise.
(%tailon-os): Likewise.
* tests/guix-system.sh: Likewise.
* doc/guix.texi (Networking Services): Document
'dhcp-client-service-type' and remove 'dhcp-client-service'.

1 files changed, 3 insertions, 3 deletions

diff --git a/gnu/tests/version-control.scm b/gnu/tests/version-control.scm
index 4409b8a12b3..230aa9edf9e 100644
--- a/gnu/tests/version-control.scm
+++ b/gnu/tests/version-control.scm
@@ -92,7 +92,7 @@
   ;; Operating system under test.
   (let ((base-os
          (simple-operating-system
-          (dhcp-client-service)
+          (service dhcp-client-service-type)
           (service cgit-service-type
                    (cgit-configuration
                     (nginx %cgit-configuration-nginx)))
@@ -237,7 +237,7 @@ HTTP-PORT."
 
 (define %git-http-os
   (simple-operating-system
-   (dhcp-client-service)
+   (service dhcp-client-service-type)
    (service fcgiwrap-service-type)
    (service nginx-service-type %git-nginx-configuration)
    %test-repository-service))
@@ -328,7 +328,7 @@ HTTP-PORT."
 
 (define %gitolite-os
   (simple-operating-system
-   (dhcp-client-service)
+   (service dhcp-client-service-type)
    (service openssh-service-type)
    (service gitolite-service-type
             (gitolite-configuration