[pitivi] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit e9b5179507df03fef7e0290d15614f0d03714373
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun May 3 13:45:45 2020 +0200

    Update POTFILES.in

 po/POTFILES.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index eb08bbcc..c6cd6849 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -42,7 +42,7 @@ pitivi/render.py
 pitivi/settings.py
 pitivi/tabsmanager.py
 pitivi/transitions.py
-pitivi/viewer/guidelines_popover.py
+pitivi/viewer/guidelines.py
 pitivi/viewer/viewer.py
 
 pitivi/timeline/elements.py