[gnome-calculator] Fix broken markup in Dzongkha UI translation

[Andre Klapper <aklapper src gnome org>]

commit 87f941619045f7463a53492d189598c613f2834f
Author: Andre Klapper <a9016009 gmx de>
Date:   Sat Mar 7 11:01:05 2020 +0100

    Fix broken markup in Dzongkha UI translation

 po/dz.po | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/po/dz.po b/po/dz.po
index 50cce42d..68aa4ef9 100644
--- a/po/dz.po
+++ b/po/dz.po
@@ -645,7 +645,7 @@ msgstr "<i>x</i>!"
 #. x squared. Note that this label uses mark up and the "x" is a superscript character. See: 
http://en.wikipedia.org/wiki/Superscript for more details on superscripts.
 #: ../glade/gcalctool.glade.h:61
 msgid "<i>x</i><sup>2</sup>"
-msgstr "<i>x</i><ཨེསི་ཡུ་པི་>༢</sup>"
+msgstr "<i>x</i><sup>༢</sup>"
 
 #. X to the power of y. Note that this label uses mark up and the "y" is a superscript character. See: 
http://en.wikipedia.org/wiki/Superscript for more details on superscripts.
 #: ../glade/gcalctool.glade.h:63
@@ -1763,7 +1763,7 @@ msgstr "བཀྲམ་སྟོན་འབད་མི་བུའི་དབ
 #. E to the power of x. Note that this label uses mark up and the "x" is a superscript character. See: 
http://en.wikipedia.org/wiki/Superscript for more details on superscripts.
 #: ../glade/gcalctool.glade.h:399
 msgid "e<sup>x</sup>"
-msgstr "ཨི་<sup><i>ཨེགསི་</sup>"
+msgstr "ཨི་<sup>ཨེགསི་</sup>"
 
 #: ../glade/gcalctool.glade.h:400
 msgid "ex"