[gnome-commander/gcmd-1-6] Adds unique as a USE flag for gentoo ebuild

[Uwe Scholz <uwescholz src gnome org>]

commit ac8ffc6ef0c96dd99293de3bd4f575fb57e8303c
Author: Uwe Scholz <uwescholz src gnome org>
Date:   Sun Feb 26 21:38:54 2017 +0100

    Adds unique as a USE flag for gentoo ebuild

 data/gnome-commander.ebuild.in |    4 ++--
 data/metadata.xml              |    1 +
 2 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/data/gnome-commander.ebuild.in b/data/gnome-commander.ebuild.in
index babe6b4..346228b 100644
--- a/data/gnome-commander.ebuild.in
+++ b/data/gnome-commander.ebuild.in
@@ -15,12 +15,12 @@ HOMEPAGE="http://gcmd.github.io/";
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~amd64 ~x86"
-IUSE="chm exif gsf pdf python taglib samba test"
+IUSE="chm exif gsf pdf python taglib samba test unique"
 
 RDEPEND="
        app-text/gnome-doc-utils
        >=dev-libs/glib-@GLIB_REQ@:2
-       >=dev-libs/libunique-@UNIQUE_REQ@:1
+       unique? ( >=dev-libs/libunique-@UNIQUE_REQ@:1 )
        gnome-base/gnome-keyring
        >=gnome-base/gnome-vfs-@GNOMEVFS_REQ@
        >=gnome-base/libgnome-@GNOME_REQ@
diff --git a/data/metadata.xml b/data/metadata.xml
index 53b8374..a8b51df 100644
--- a/data/metadata.xml
+++ b/data/metadata.xml
@@ -22,5 +22,6 @@
   <flag name="pdf">Add metadata support for PDF</flag>
   <flag name="python">Add support for python plugins"</flag>
   <flag name="taglib">Add metadata support for ID3, Vorbis, FLAC and APE</flag>
+  <flag name="unique">Enable single instance support using dev-libs/libunique</flag>
 </use>
 </pkgmetadata>