[glib: 5/8] Fix missing initializer warning in gobject/tests/ifaceproperties.c:base_object_get_type()

[Sebastian Dröge <sdroege src gnome org>]

commit 6ca38ccdd4fd64e46a2f000e8506e0b30b33b067
Author: Emmanuel Fleury <emmanuel fleury gmail com>
Date:   Mon Nov 16 19:49:35 2020 +0100

    Fix missing initializer warning in gobject/tests/ifaceproperties.c:base_object_get_type()
    
    gobject/tests/ifaceproperties.c: In function ‘base_object_get_type’:
    gobject/tests/ifaceproperties.c:321:1: error: missing initializer for field ‘value_table’ of ‘GTypeInfo’ 
{aka ‘const struct _GTypeInfo’}
      321 | static DEFINE_TYPE_FULL (BaseObject, base_object,
          | ^~~~~~
    In file included from gobject/gobject.h:24,
                     from gobject/gbinding.h:29,
                     from glib/glib-object.h:22,
                     from gobject/tests/ifaceproperties.c:21:
    gobject/gtype.h:1063:26: note: ‘value_table’ declared here
     1063 |   const GTypeValueTable *value_table;
          |                          ^~~~~~~~~~~

 gobject/tests/testcommon.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gobject/tests/testcommon.h b/gobject/tests/testcommon.h
index 0fdaea892..a2b69b7b7 100644
--- a/gobject/tests/testcommon.h
+++ b/gobject/tests/testcommon.h
@@ -40,7 +40,8 @@ prefix ## _get_type (void)                                    \
          NULL,           /* class_data */                      \
          sizeof (name),                                        \
          0,             /* n_prelocs */                        \
-         (GInstanceInitFunc) instance_init                     \
+         (GInstanceInitFunc) instance_init,                    \
+         (const GTypeValueTable *) NULL,                       \
        };                                                      \
                                                                \
       object_type = g_type_register_static (parent_type,       \