[simple-scan] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 4c6ce0acc51e2ed80c39a49fc2a05c0570dd8b31
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Apr 27 12:25:43 2017 +0200

    Update POTFILES.in

 po/POTFILES.in |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index a7e9e4d..846c550 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -1,12 +1,13 @@
 # List of source files containing translatable strings.
 # Please keep this file sorted alphabetically.
-src/simple-scan.ui
-data/simple-scan.desktop.in
+data/org.gnome.SimpleScan.gschema.xml
 data/simple-scan.appdata.xml.in
+data/simple-scan.desktop.in
 src/book.vala
 src/book-view.vala
 src/page.vala
 src/page-view.vala
 src/scanner.vala
+src/simple-scan.ui
 src/simple-scan.vala
 src/ui.vala