[gnumeric] Fix broken markup in Korean UI translation

[Andre Klapper <aklapper src gnome org>]

commit fd9315a3c84d42f430559ed745edfd095ae6c93d
Author: Andre Klapper <a9016009 gmx de>
Date:   Thu Mar 5 00:38:55 2020 +0100

    Fix broken markup in Korean UI translation

 po/ko.po | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/po/ko.po b/po/ko.po
index c926234ac..08026361b 100644
--- a/po/ko.po
+++ b/po/ko.po
@@ -7306,7 +7306,7 @@ msgstr "75% 회색"
 
 #: ../src/dialogs/cell-format.ui.h:12
 msgid "<b>Background</b>"
-msgstr "<b바탕색</b>"
+msgstr "<b>바탕색</b>"
 
 #: ../src/dialogs/cell-format.ui.h:13
 msgid "<b>Control</b>"