[gupnp] Add xi:fallback for includes

[Jens Georg <jensgeorg src gnome org>]

commit 1125d5f2556d5d69a540bceed88dcbd351118cd1
Author: Jens Georg <mail jensge org>
Date:   Sun May 10 17:46:43 2015 +0200

    Add xi:fallback for includes
    
    Fixes make distcheck for docs

 doc/gupnp-docs.xml      |    2 +-
 doc/server-tutorial.xml |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/doc/gupnp-docs.xml b/doc/gupnp-docs.xml
index a621b68..627aba6 100644
--- a/doc/gupnp-docs.xml
+++ b/doc/gupnp-docs.xml
@@ -116,7 +116,7 @@
   </part>
 
   <xi:include href="glossary.xml"/>
-  <xi:include href="xml/annotation-glossary.xml"/>
+  <xi:include href="xml/annotation-glossary.xml"><xi:fallback /></xi:include>>
 
   <index/>
 
diff --git a/doc/server-tutorial.xml b/doc/server-tutorial.xml
index 65a33a9..cb13b9d 100644
--- a/doc/server-tutorial.xml
+++ b/doc/server-tutorial.xml
@@ -34,7 +34,7 @@
       the <literal>BinaryLight1</literal> device type, but if none of the
       existing device types are suitable a custom device type can be created.
     </para>
-    <programlisting><xi:include href="../../examples/BinaryLight1.xml" parse="text"/></programlisting>
+    <programlisting><xi:include href="../../examples/BinaryLight1.xml" parse="text"><xi:fallback 
/></xi:include></programlisting>
     <para>
       The <sgmltag>specVersion</sgmltag> tag defines what version of the UPnP
       Device Architecture the document conforms to.  At the time of writing the
@@ -82,7 +82,7 @@
       from the specification.  This is the <literal>SwitchPower1</literal>
       service description file:
     </para>
-    <programlisting><xi:include href="../../examples/SwitchPower1.xml" parse="text"/></programlisting>
+    <programlisting><xi:include href="../../examples/SwitchPower1.xml" parse="text"><xi:fallback 
/></xi:include></programlisting>
     <para>
       Again, the <sgmltag>specVersion</sgmltag> tag defines the UPnP version
       that is being used.  The rest of the document consists of an