[glib: 1/2] gtype: Clarify type of GInterfaceInitFunc

[Emmanuele Bassi <ebassi src gnome org>]

commit 21adb30a835cb6991b995a588de336de1765e6b7
Author: Philip Withnall <withnall endlessm com>
Date:   Wed Dec 5 14:09:35 2018 +0000

    gtype: Clarify type of GInterfaceInitFunc
    
    When passing a function to G_IMPLEMENT_INTERFACE, it actually has to
    take two arguments. Who knew?
    
    Signed-off-by: Philip Withnall <withnall endlessm com>

 gobject/gtype.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gobject/gtype.h b/gobject/gtype.h
index 77e22a0a9..1f6b33b81 100644
--- a/gobject/gtype.h
+++ b/gobject/gtype.h
@@ -1779,7 +1779,7 @@ guint     g_type_get_type_registration_serial (void);
 /**
  * G_IMPLEMENT_INTERFACE:
  * @TYPE_IFACE: The #GType of the interface to add
- * @iface_init: The interface init function
+ * @iface_init: (type GInterfaceInitFunc): The interface init function, of type #GInterfaceInitFunc
  *
  * A convenience macro to ease interface addition in the `_C_` section
  * of G_DEFINE_TYPE_WITH_CODE() or G_DEFINE_ABSTRACT_TYPE_WITH_CODE().