xfce-extra/xfce4-embed-plugin: Revbump post dep change

Signed-off-by: Michał Górny <mgorny@gentoo.org>

diff --git a/xfce-extra/xfce4-embed-plugin/xfce4-embed-plugin-1.6.0-r2.ebuild b/xfce-extra/xfce4-embed-plugin/xfce4-embed-plugin-1.6.0-r3.ebuild
similarity index 100%
rename from xfce-extra/xfce4-embed-plugin/xfce4-embed-plugin-1.6.0-r2.ebuild
rename to xfce-extra/xfce4-embed-plugin/xfce4-embed-plugin-1.6.0-r3.ebuild