dev-libs/atk-2.30.0: fixes

sandbox will fail if XDG variables are set if we don't
xdg_environment_reset with EAPI-6; xdg eclass does this for us.
gtk-doc building needs docbook-xml-dtd:4.3.
Remove redundant IUSE=test

Package-Manager: Portage-2.3.52, Repoman-2.3.12
Signed-off-by: Mart Raudsepp <leio@gentoo.org>

dev-libs/atk/atk-2.30.0.ebuild

@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
-inherit gnome.org meson multilib-minimal
+inherit gnome.org meson multilib-minimal xdg
 
 DESCRIPTION="GTK+ & GNOME Accessibility Toolkit"
 HOMEPAGE="https://wiki.gnome.org/Accessibility"
@@ -10,7 +10,7 @@ HOMEPAGE="https://wiki.gnome.org/Accessibility"
 LICENSE="LGPL-2+"
 SLOT="0"
 KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris ~x86-winnt"
-IUSE="gtk-doc +introspection test"
+IUSE="gtk-doc +introspection"
 
 RDEPEND="
 	>=dev-libs/glib-2.34.3:2[${MULTILIB_USEDEP}]
@@ -18,7 +18,9 @@ RDEPEND="
 "
 DEPEND="${RDEPEND}
 	dev-util/glib-utils
-	gtk-doc? ( >=dev-util/gtk-doc-1.25 )
+	gtk-doc? (
+		>=dev-util/gtk-doc-1.25
+		app-text/docbook-xml-dtd:4.3 )
 	>=virtual/pkgconfig-0-r1[${MULTILIB_USEDEP}]
 	>=sys-devel/gettext-0.19.8
 "