[gnome-boxes] de: Fix broken markup

[Andre Klapper <aklapper src gnome org>]

commit 4f2d447a9a53675d1b1206fff9a00e4709261ac7
Author: Andre Klapper <a9016009 gmx de>
Date:   Sun Sep 24 23:56:25 2017 +0200

    de: Fix broken markup

 help/de/de.po |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/de/de.po b/help/de/de.po
index 3320d0a..65c14e0 100644
--- a/help/de/de.po
+++ b/help/de/de.po
@@ -844,7 +844,7 @@ msgstr "Geben Sie die zu sendende Kombination ein. Folgende sind verfügbar:"
 #: C/keystrokes.page:34
 msgid "<keyseq><key>Ctrl</key><key>Alt</key><key>Backspace</key></keyseq>"
 msgstr ""
-"<keyseq><key>Strg</key><key>Alt</key></keyseq><key>Löschtaste</key></keyseq>"
+"<keyseq><key>Strg</key><key>Alt</key><key>Löschtaste</key></keyseq>"
 
 #. (itstool) path: item/p
 #: C/keystrokes.page:35