gnu: gtk-doc: Correct inputs.

* gnu/packages/gtk.scm (gtk-doc) [native-inputs]: Add glib:bin,
perl and python-wrapper.
[inputs]: Add python-anytree, python-lxml, python-parameterized,
python-pygments, python-unittest2 and yelp-tools. Remove perl.

Signed-off-by: Léo Le Bouter <lle-bout@zaclys.net>

gnu/packages/gtk.scm

@@ -1798,21 +1798,29 @@ (define-public gtk-doc
                             (assoc-ref %build-inputs "docbook-xml")
                             "/xml/dtd/docbook/catalog.xml"))))
     (native-inputs
-     `(("pkg-config" ,pkg-config)
+     `(("gettext" ,gettext-minimal)
+       ("glib:bin" ,glib "bin")
+       ("gobject-introspection" ,gobject-introspection)
        ("itstool" ,itstool)
-       ("libxml" ,libxml2)
+       ("perl" ,perl)
-       ("gettext" ,gettext-minimal)
+       ("pkg-config" ,pkg-config)
-       ("bc" ,bc)))
+       ("python-wrapper" ,python-wrapper)))
     (inputs
-     `(("perl" ,perl)
+     `(("bc" ,bc)
-       ("python" ,python)
-       ("xsltproc" ,libxslt)
        ("dblatex" ,dblatex)
        ("docbook-xml" ,docbook-xml-4.3)
        ("docbook-xsl" ,docbook-xsl)
-       ("source-highlight" ,source-highlight)
        ("glib" ,glib)
-       ("python-six" ,python-six)))
+       ("libxml2" ,libxml2)
+       ("libxslt" ,libxslt)
+       ("python" ,python)
+       ("python-anytree" ,python-anytree)
+       ("python-lxml" ,python-lxml)
+       ("python-parameterized" ,python-parameterized)
+       ("python-pygments" ,python-pygments)
+       ("python-unittest2" ,python-unittest2)
+       ("source-highlight" ,source-highlight)
+       ("yelp-tools" ,yelp-tools)))
     (home-page "https://www.gtk.org/gtk-doc/")
     (synopsis "Documentation generator from C source code")
     (description