[gnome-user-docs] Fix a XML entity in Catalan translation

[Piotr Drąg <piotrdrag src gnome org>]

commit bff31a845f92d90212735b88410a229a0fb3deab
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Apr 23 16:22:09 2018 +0200

    Fix a XML entity in Catalan translation

 gnome-help/ca/ca.po | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gnome-help/ca/ca.po b/gnome-help/ca/ca.po
index e1ae3fa5..e8995cf5 100644
--- a/gnome-help/ca/ca.po
+++ b/gnome-help/ca/ca.po
@@ -5766,7 +5766,7 @@ msgid ""
 "Click the menu button and select <gui>SMART Data &amp; Self-Tests…</gui>. "
 "The <gui>Overall Assessment</gui> should say “Disk is OK”."
 msgstr ""
-"Feu clic al botó de menú i seleccioneu <gui>SMART Data & amp; Auto-proves "
+"Feu clic al botó de menú i seleccioneu <gui>SMART Data &amp; Auto-proves "
 "...</gui>. L'<gui>Avaluació global</gui> hauria de dir \"el disc està "
 "correcte\"."