www-client/zen-bin: add missing RDEPEND

Closes: https://bugs.gentoo.org/947848
Signed-off-by: Julien Roy <julien@jroy.ca>

www-client/zen-bin/zen-bin-1.6_beta-r1.ebuild

@@ -18,6 +18,7 @@ SLOT="0"
 KEYWORDS="~amd64"
 
 RDEPEND="
+	app-accessibility/at-spi2-core:2
 	dev-libs/expat
 	dev-libs/glib:2
 	dev-libs/nspr
@@ -30,9 +31,10 @@ RDEPEND="
 	sys-apps/dbus
 	sys-libs/glibc
 	x11-libs/cairo
-	x11-libs/gdk-pixbuf
+	x11-libs/gdk-pixbuf:2
 	x11-libs/gtk+:3
 	x11-libs/libX11
+	x11-libs/libxcb
 	x11-libs/libXcomposite
 	x11-libs/libXcursor
 	x11-libs/libXdamage