[genius: 1/2] Change syntax for xml entities

[Jiri (George) Lebl <jirka src gnome org>]

commit 73f8deb898dd67757a796e0a2422b2498a8ee02b
Author: Anders Jonsson <anders jonsson norsjovallen se>
Date:   Sat Oct 30 11:37:38 2021 +0200

    Change syntax for xml entities
    
    A change for libxml2 tightened what syntax is allowed in entities:
    https://gitlab.gnome.org/GNOME/libxml2/-/commit/01411e7c5ea0fff181271e092f46a2138c3720ec
    
    This makes the po/update-po.sh script error out at the itstool step.
    
    This commit escapes the ampersand character as well as in the libxml2
    example above, and makes the script work again for me.

 help/C/genius.xml | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/help/C/genius.xml b/help/C/genius.xml
index eac4ff4c..17bcc3da 100644
--- a/help/C/genius.xml
+++ b/help/C/genius.xml
@@ -10,12 +10,12 @@
 
   <!ENTITY manrevision "0.2">
 
-  <!ENTITY lt "&#60;">
-  <!ENTITY gt "&#62;">
-  <!ENTITY le "&#8804;">
-  <!ENTITY ge "&#8805;">
-  <!ENTITY lsquo "&#8216;">
-  <!ENTITY rsquo "&#8217;">
+  <!ENTITY lt "&#38;#60;">
+  <!ENTITY gt "&#38;#62;">
+  <!ENTITY le "&#38;#8804;">
+  <!ENTITY ge "&#38;#8805;">
+  <!ENTITY lsquo "&#38;#8216;">
+  <!ENTITY rsquo "&#38;#8217;">
 
   <!--<!ENTITY gel-function-list SYSTEM "gel-function-list.xml">-->
 ]>