[balsa] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 17b008541fee535fb39af898c517b47ce4d27870
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Nov 18 14:27:13 2019 +0100

    Update POTFILES.in

 po/POTFILES.in | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 949fb8001..43a0ee440 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -58,6 +58,7 @@ libbalsa/server.c
 libbalsa/server-config.c
 libbalsa/smtp-server.c
 libbalsa/source-viewer.c
+libbalsa/x509-cert-widget.c
 libinit_balsa/assistant_helper.c
 libinit_balsa/assistant_init.c
 libinit_balsa/assistant_page_defclient.c