[gnome-disk-utility] Updated Czech translation

[Marek Černocký <mcernocky src gnome org>]

commit f99ada215c2bf73ed26c7d1eee7f8c4bd6428d24
Author: Marek Cernocky <marek_cernocky conel cz>
Date:   Wed Mar 28 10:53:16 2018 +0200

    Updated Czech translation

 po/cs.po |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po/cs.po b/po/cs.po
index c514c54..c7156a6 100644
--- a/po/cs.po
+++ b/po/cs.po
@@ -1062,7 +1062,7 @@ msgstr "Normalizovaná"
 #. Translators: This string is used as the column title in the treeview for the threshold value
 #: src/disks/gduatasmartdialog.c:1564
 msgid "Threshold"
-msgstr "Práhová"
+msgstr "Prahová"
 
 #. Translators: This string is used as the column title in the treeview for the worst value
 #: src/disks/gduatasmartdialog.c:1576