[gdk-pixbuf] docs: Fix the link to the GDK reference

[Emmanuele Bassi <ebassi src gnome org>]

commit 61a72d4afaca4f25b4d7975598fb2b9411278c94
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sat Sep 1 11:18:10 2018 +0100

    docs: Fix the link to the GDK reference
    
    We need to use the ulink element, not the link one, for URLs.

 docs/gdk-pixbuf-from-drawables.xml |  9 +++------
 docs/gdk-pixbuf-rendering.xml      | 12 +++---------
 2 files changed, 6 insertions(+), 15 deletions(-)
---
diff --git a/docs/gdk-pixbuf-from-drawables.xml b/docs/gdk-pixbuf-from-drawables.xml
index 98731ed59..99fe3be07 100644
--- a/docs/gdk-pixbuf-from-drawables.xml
+++ b/docs/gdk-pixbuf-from-drawables.xml
@@ -17,13 +17,10 @@
 <title>Description</title>
   <para>
     The functions to take the image data from a GDK windowing system surface
-    and store them into a GdkPixbuf are typically provided by GDK; see
-    <link linkend="https://developer.gnome.org/gdk3/stable/gdk3-Pixbufs.html";>the
-    GDK documentation</link>.
+    and store them into a GdkPixbuf are provided by GDK; see
+    <ulink url="https://developer.gnome.org/gdk3/stable/gdk3-Pixbufs.html";>the
+    GDK documentation</ulink>.
   </para>
 </refsect1>
 
-
-
-
 </refentry>
diff --git a/docs/gdk-pixbuf-rendering.xml b/docs/gdk-pixbuf-rendering.xml
index b1a23af43..26c8776cc 100644
--- a/docs/gdk-pixbuf-rendering.xml
+++ b/docs/gdk-pixbuf-rendering.xml
@@ -17,16 +17,10 @@
 <refsect1>
 <title>Description</title>
   <para>
-    The functions to render pixbufs to GDK drawables are contained in 
-    GDK, see the <link linkend="https://developer.gnome.org/gdk3/stable/gdk3-Cairo-Interaction.html";>GDK
-    documentation</link>.
+    The functions to render pixbufs to GDK drawables are provided by GDK, see
+    the <ulink url="https://developer.gnome.org/gdk3/stable/gdk3-Cairo-Interaction.html";>GDK
+    documentation</ulink>.
   </para>
 </refsect1>
 
-
-
-
 </refentry>
-
-
-