gst/gstelement.h: Fix link in documentation.

Original commit message from CVS:
* gst/gstelement.h:
Fix link in documentation.
diff --git a/gst/gstelement.h b/gst/gstelement.h
index 1ed8355..640c840 100644
--- a/gst/gstelement.h
+++ b/gst/gstelement.h
@@ -265,8 +265,8 @@
 /**
  * GST_ELEMENT_ERROR:
  * @el:     the element that generates the error
- * @domain: like CORE, LIBRARY, RESOURCE or STREAM (see #GstGError)
- * @code:   error code defined for that domain (see #GstGError)
+ * @domain: like CORE, LIBRARY, RESOURCE or STREAM (see #gstreamer-GstGError)
+ * @code:   error code defined for that domain (see #gstreamer-GstGError)
  * @text:   the message to display (format string and args enclosed in
             parentheses)
  * @debug:  debugging information for the message (format string and args