Update GIR files

Author: bilelmoussaoui

GdkWayland-4.0.gir

@@ -515,7 +515,7 @@ and thus may require changes in the future.</doc>
 if it has one.</doc>
         <return-value transfer-ownership="none" nullable="1">
           <doc xml:space="preserve">a Wayland `xdg_toplevel`</doc>
-          <type name="gpointer" c:type="xdg_toplevel*"/>
+          <type name="gpointer" c:type="gpointer"/>
         </return-value>
         <parameters>
           <instance-parameter name="toplevel" transfer-ownership="none">