[gnome-builder] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 816f88294020d246a435d8d0dd0f0a83154e620e
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Jan 19 17:58:49 2019 +0100

    Update POTFILES.in

 po/POTFILES.in | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index c7736f4e0..42798eeae 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -71,6 +71,7 @@ src/libide/foundry/ide-runtime.c
 src/libide/foundry/ide-toolchain-manager.c
 src/libide/greeter/ide-clone-surface.c
 src/libide/greeter/ide-clone-surface.ui
+src/libide/greeter/ide-greeter-buttons-section.c
 src/libide/greeter/ide-greeter-workspace-actions.c
 src/libide/greeter/ide-greeter-workspace-shortcuts.c
 src/libide/greeter/ide-greeter-workspace.c