[sysprof] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 17497498c79e859f3fd0224f54086cf7de42c011
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Oct 10 12:23:45 2016 +0200

    Update POTFILES.in

 po/POTFILES.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 4aa3ad9..e23237e 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -10,6 +10,7 @@ lib/resources/ui/sp-recording-state-view.ui
 lib/sp-callgraph-profile.c
 lib/sp-perf-source.c
 lib/sp-profiler-menu-button.c
+src/resources/gtk/help-overlay.ui
 src/resources/gtk/menus.ui
 src/resources/ui/sp-window.ui
 src/sp-application.c