[gnome-boxes] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 3167c1b7da6de371ac77b537302ca8db2675ed26
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon May 22 16:40:56 2017 +0200

    Update POTFILES.in

 po/POTFILES.in   |    5 ++++-
 po/POTFILES.skip |    2 ++
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 59d5378..fbf0e75 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -1,3 +1,5 @@
+# List of source files containing translatable strings.
+# Please keep this file sorted alphabetically.
 data/org.gnome.Boxes.appdata.xml.in
 data/org.gnome.Boxes.desktop.in.in
 [type: gettext/ini]data/gnome-boxes-search-provider.ini.in
@@ -9,6 +11,7 @@ data/org.gnome.boxes.gschema.xml.in
 [type: gettext/glade]data/ui/display-toolbar.ui
 [type: gettext/glade]data/ui/empty-boxes.ui
 [type: gettext/glade]data/ui/kbd-shortcuts-window.ui
+[type: gettext/glade]data/ui/menus.ui
 [type: gettext/glade]data/ui/properties-toolbar.ui
 [type: gettext/glade]data/ui/properties-window.ui
 [type: gettext/glade]data/ui/selectionbar.ui
@@ -45,8 +48,8 @@ src/media-manager.vala
 src/notificationbar.vala
 src/ovirt-broker.vala
 src/ovirt-machine.vala
-src/properties.vala
 src/properties-page-widget.vala
+src/properties.vala
 src/remote-machine.vala
 src/selectionbar.vala
 src/selection-toolbar.vala
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index dcdf3d5..9254235 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -1,3 +1,5 @@
+# List of source files that should *not* be translated.
+# Please keep this file sorted alphabetically.
 data/org.gnome.Boxes.desktop.in
 # Have to list it twice because of a intltool bug
 sub/data/org.gnome.Boxes.desktop.in