[gnumeric] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 8156c75821beedb1aaaa4e225c83fdb573909f57
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Apr 10 07:19:56 2018 +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 1d93bfb..78786d3 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -387,6 +387,7 @@ src/widgets/gnm-dao.c
 src/widgets/gnm-filter-combo-view.c
 src/widgets/gnm-fontbutton.c
 src/widgets/gnm-format-sel.c
+src/widgets/gnm-sheet-sel.c
 src/widgets/gnm-sheet-slicer-combo-view.c
 src/widgets/gnm-so-anchor-mode-chooser.c
 src/widgets/gnm-workbook-sel.c