[calls] po: Add missing files to POTFILES.in

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 6ca9076b4ab522d3dd115988b88c54f4e78f01da
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Wed Oct 27 16:27:11 2021 +0200

    po: Add missing files to POTFILES.in
    
    These files were adding translatable texts.

 po/POTFILES.in | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index d606a2a7..cbe5c9f0 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -1,5 +1,6 @@
 data/org.gnome.Calls.desktop.in
 data/org.gnome.Calls-daemon.desktop.in
+plugins/sip/sip-account-widget.ui
 src/calls-application.c
 src/calls-best-match.c
 src/calls-call.c
@@ -24,6 +25,7 @@ src/calls-provider.c
 src/calls-record-store.c
 src/calls-ringer.c
 src/main.c
+src/ui/account-overview.ui
 src/ui/call-display.ui
 src/ui/call-record-row.ui
 src/ui/call-selector-item.ui