[gdk-pixbuf/ebassi/image-data-link] docs: Fix the image-data link

[Emmanuele Bassi <ebassi src gnome org>]

commit b6f332a057d4662a814f2db84fd23237cc7e615f
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed May 19 15:58:14 2021 +0100

    docs: Fix the image-data link
    
    Reference the anchor in the class description.

 gdk-pixbuf/gdk-pixbuf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gdk-pixbuf/gdk-pixbuf.c b/gdk-pixbuf/gdk-pixbuf.c
index 01b53f088..28a67b140 100644
--- a/gdk-pixbuf/gdk-pixbuf.c
+++ b/gdk-pixbuf/gdk-pixbuf.c
@@ -817,7 +817,7 @@ gdk_pixbuf_get_bits_per_sample (const GdkPixbuf *pixbuf)
  * This function will cause an implicit copy of the pixbuf data if the
  * pixbuf was created from read-only data.
  *
- * Please see the section on [image data](#image-data) for information
+ * Please see the section on [image data](class.Pixbuf.html#image-data) for information
  * about how the pixel data is stored in memory.
  *
  * Return value: (array): A pointer to the pixbuf's pixel data.
@@ -864,7 +864,7 @@ downgrade_to_pixels (const GdkPixbuf *pixbuf)
  * This function will cause an implicit copy of the pixbuf data if the
  * pixbuf was created from read-only data.
  *
- * Please see the section on [image data](#image-data) for information
+ * Please see the section on [image data](class.Pixbuf.html#image-data) for information
  * about how the pixel data is stored in memory.
  *
  * Return value: (array length=length): A pointer to the pixbuf's