libvaladoc/gtkdoc-importer: Correctly retrieve "url" from "ulink" elements

This caused criticals like:

  g_uri_parse_scheme: assertion 'uri != NULL' failed

diff --git a/libvaladoc/documentation/gtkdoccommentparser.vala b/libvaladoc/documentation/gtkdoccommentparser.vala
index ede991ce8769117f42baedd811801aad397235a6..bf3be801af5aa1dd14cd0d5bc58faf4b1e9cf0d3 100644 (file)
--- a/libvaladoc/documentation/gtkdoccommentparser.vala
+++ b/libvaladoc/documentation/gtkdoccommentparser.vala
@@ -358,7 +358,12 @@ public class Valadoc.Gtkdoc.Parser : Object, ResourceLocator {
                }
 
                StringBuilder builder = new StringBuilder ();
-               string url = current.attributes.get ("linkend");
+               string url;
+               if (is_internal) {
+                       url = current.attributes.get ("linkend");
+               } else {
+                       url = current.attributes.get ("url");
+               }
                next ();
 
                // TODO: check xml