[gnome-builder] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 6b0c1c6a016267ca8a6c53a74d385e96ec7385e4
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Jan 18 15:58:28 2020 +0100

    Update POTFILES.in

 po/POTFILES.in | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 19e9aaabe..28291cab1 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -189,6 +189,7 @@ src/plugins/command-bar/gbp-command-bar-shortcuts.c
 src/plugins/comment-code/gbp-comment-code-editor-page-addin.c
 src/plugins/comment-code/gtk/menus.ui
 src/plugins/copyright/copyright_plugin.py
+src/plugins/copyright/org.gnome.builder.plugins.copyright.gschema.xml
 src/plugins/create-project/gbp-create-project-application-addin.c
 src/plugins/create-project/gbp-create-project-surface.c
 src/plugins/create-project/gbp-create-project-surface.ui