[gnome-control-center] Updated Czech translation

[Marek Černocký <mcernocky src gnome org>]

commit 1e9ad39c5e0b44cf1f9e5d044de31e44e80cefba
Author: Vojtěch Perník <translations pervoj cz>
Date:   Sun Sep 5 22:16:58 2021 +0200

    Updated Czech translation

 po/cs.po | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/po/cs.po b/po/cs.po
index fd65743a4..2226b6f73 100644
--- a/po/cs.po
+++ b/po/cs.po
@@ -8460,7 +8460,7 @@ msgstr "Zadejte nový PIN"
 
 #: panels/wwan/cc-wwan-device-page.c:252
 msgid "PIN code should be a 4-8 digit number"
-msgstr "Kód PIN by měl mít 4 až 8 číslic
+msgstr "Kód PIN by měl mít 4 až 8 číslic"
 
 #: panels/wwan/cc-wwan-device-page.c:270
 msgid "Unlocking..."