[vala/0.40] girparser: Additionally fallback to "glib:type-name" to retrieve the cname

[Rico Tzschichholz <ricotz src gnome org>]

commit 6fd2ad35970e79499a85eb2fe348d28fc46e3f62
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Aug 24 17:36:05 2020 +0200

    girparser: Additionally fallback to "glib:type-name" to retrieve the cname

 vala/valagirparser.vala | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/vala/valagirparser.vala b/vala/valagirparser.vala
index e0202b6a4..27d5de51d 100644
--- a/vala/valagirparser.vala
+++ b/vala/valagirparser.vala
@@ -776,6 +776,9 @@ public class Vala.GirParser : CodeVisitor {
                                if (cname == null) {
                                        cname = girdata["c:type"];
                                }
+                               if (cname == null) {
+                                       cname = girdata["glib:type-name"];
+                               }
                        }
                        if (cname == null) {
                                cname = get_default_cname ();