[gnome-usage] Update POTFILES.in and POTFILES.skip

[Piotr Drąg <piotrdrag src gnome org>]

commit 7b4360fb855e41d5801f6e755d6d444d903ae213
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Dec 20 20:35:23 2018 +0100

    Update POTFILES.in and POTFILES.skip

 po/POTFILES.in   | 1 +
 po/POTFILES.skip | 5 +----
 2 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index dc6870c..e74f4bd 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -12,6 +12,7 @@ data/ui/quit-process-dialog.ui
 data/ui/storage-actionbar.ui
 data/ui/storage-view.ui
 data/ui/swap-speedometer.ui
+src/app-item.vala
 src/application.vala
 src/cpu-sub-view.vala
 src/graph-block.vala
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index 120b42f..192d85d 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -1,9 +1,6 @@
 # List of source files that should *not* be translated.
 # Please keep this file sorted alphabetically.
-external/egg/egg-animation.c
-external/egg/egg-date-time.c
-external/egg/egg-file-chooser-entry.c
-external/egg/egg-search-bar.c
+src/app-item.c
 src/application.c
 src/cpu-sub-view.c
 src/graph-block.c