[frogr] Fix broken markup in Galician UI translation

[Andre Klapper <aklapper src gnome org>]

commit 6f5da3ba7a7dbcf2d5d68379801cd1c5ab6e6c46
Author: Andre Klapper <a9016009 gmx de>
Date:   Mon Mar 2 13:47:05 2020 +0100

    Fix broken markup in Galician UI translation

 po/gl.po | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/po/gl.po b/po/gl.po
index 47e1f33..81cc6ae 100644
--- a/po/gl.po
+++ b/po/gl.po
@@ -889,7 +889,7 @@ msgid ""
 "Once you're ready, press the <b>\"Upload\"</b> button to upload your "
 "pictures to Flickr."
 msgstr ""
-"En canto estea listo, prema o botón <b>«Subir»» para subir as súas fotos a "
+"En canto estea listo, prema o botón <b>«Subir»</b> para subir as súas fotos a "
 "Flickr."
 
 #: data/gtkbuilder/frogr-menu-bar.ui:7 data/gtkbuilder/frogr-menu-button.ui:6