[gnumeric] Docs: get xml entities from docbook 4.5

[Morten Welinder <mortenw src gnome org>]

commit bf0abd9d3f8bf69f90eb155f0f1c93e0a2e9b2ba
Author: Morten Welinder <terra gnome org>
Date:   Sun Feb 5 15:15:48 2017 -0500

    Docs: get xml entities from docbook 4.5
    
    See bug 778008.

 doc/C/gnumeric.xml |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/doc/C/gnumeric.xml b/doc/C/gnumeric.xml
index f2bce01..677700d 100644
--- a/doc/C/gnumeric.xml
+++ b/doc/C/gnumeric.xml
@@ -47,17 +47,17 @@
 
   <!-- For mdash, hellip and friends -->
   <!ENTITY % isopub PUBLIC "ISO 8879:1986//ENTITIES Publishing//EN//XML"
-           "http://www.oasis-open.org/docbook/xmlcharent/0.3/iso-pub.ent";>
+           "http://www.oasis-open.org/docbook/xml/4.5/ent/isopub.ent";>
   %isopub;
 
   <!-- For nbsp, pound, yen and friends -->
   <!ENTITY % isonum PUBLIC "ISO 8879:1986//ENTITIES Numeric and Special Graphic//EN//XML"
-           "http://www.oasis-open.org/docbook/xmlcharent/0.3/iso-num.ent";>
+           "http://www.oasis-open.org/docbook/xml/4.5/ent/isonum.ent";>
   %isonum;
 
   <!-- Character entity to provide greek letters in simulation chapter -->
   <!ENTITY % isogrk1 PUBLIC "ISO 8879:1986//ENTITIES Greek Letters//EN//XML"
-           "http://www.oasis-open.org/docbook/xmlcharent/0.3/iso-grk1.ent";>
+           "http://www.oasis-open.org/docbook/xml/4.5/ent/isogrk1.ent";>
   %isogrk1;
 
   <!ENTITY legal                SYSTEM "legal.xml">