[tracker] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 4394c77b6d3b17360a71585ea73f73fe04a0d875
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Jul 18 14:55:53 2020 +0200

    Update POTFILES.in

 po/POTFILES.in | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 4e38bfa7b..40e9e95b5 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -2,6 +2,7 @@
 # Please keep this file sorted alphabetically.
 src/libtracker-common/tracker-utils.c
 src/libtracker-data/tracker-collation.c
+src/portal/tracker-main.c
 src/tracker/tracker-endpoint.c
 src/tracker/tracker-export.c
 src/tracker/tracker-help.c