[gtk] Updated Czech translation

[Marek Černocký <mcernocky src gnome org>]

commit 2712f536c200f01b5971e4beb0e5c4d4e4b3e5b1
Author: Marek Černocký <marek manet cz>
Date:   Sat Feb 6 09:44:09 2021 +0100

    Updated Czech translation

 po/cs.po | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/po/cs.po b/po/cs.po
index 0e942948e3..53f48eff53 100644
--- a/po/cs.po
+++ b/po/cs.po
@@ -97,7 +97,7 @@ msgstr "Backspace"
 #: gdk/keyname-table.h:6844
 msgctxt "keyboard label"
 msgid "Tab"
-msgstr "Tabulátor"
+msgstr "Tab"
 
 #: gdk/keyname-table.h:6845
 msgctxt "keyboard label"
@@ -122,7 +122,7 @@ msgstr "Sys_Req"
 #: gdk/keyname-table.h:6849
 msgctxt "keyboard label"
 msgid "Escape"
-msgstr "Escape"
+msgstr "Esc"
 
 #: gdk/keyname-table.h:6850
 msgctxt "keyboard label"