[gnome-system-monitor] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 093a3dcc7412fe5711b2f78cf7488d5c7986866a
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Oct 31 11:25:28 2020 +0100

    Update POTFILES.in

 po/POTFILES.in | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 3153f4e4..8c822284 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -29,4 +29,5 @@ src/procactions.cpp
 src/procdialogs.cpp
 src/procproperties.cpp
 src/proctable.cpp
+src/setaffinity.cpp
 src/util.cpp