[gnome-builder] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit a0edb8fb826206e4b1654e70af116d6f307cfb30
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Wed Oct 3 18:38:55 2018 +0200

    Update POTFILES.in

 po/POTFILES.in | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 6b9c0811b..47b4caf0d 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -116,6 +116,7 @@ src/libide/workbench/ide-omni-bar.c
 src/libide/workbench/ide-omni-bar.ui
 src/libide/workbench/ide-workbench-actions.c
 src/libide/workbench/ide-workbench.c
+src/libide/workbench/ide-workbench-header-bar.c
 src/libide/workbench/ide-workbench-header-bar.ui
 src/libide/workbench/ide-workbench-shortcuts.c
 src/main.c