[atk] atkobject: fix get_property for accessible-role

[Alejandro Piñeiro Iglesias <apinheiro src gnome org>]

commit 30399c42a524af14a48a227ccd5f588ac54b51eb
Author: Alejandro Piñeiro <apinheiro igalia com>
Date:   Thu Mar 22 15:24:00 2018 +0100

    atkobject: fix get_property for accessible-role
    
    Previous commit fixed set_property for accessible-role (as it is a
    enum instead of an int). As Rico Tzschichholz pointed on bug 794513,
    get_property was not updated accordingly.

 atk/atkobject.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/atk/atkobject.c b/atk/atkobject.c
index 282c604..9dbd443 100644
--- a/atk/atkobject.c
+++ b/atk/atkobject.c
@@ -1350,7 +1350,7 @@ atk_object_real_get_property (GObject      *object,
       g_value_set_string (value, atk_object_get_description (accessible));
       break;
     case PROP_ROLE:
-      g_value_set_int (value, atk_object_get_role (accessible));
+      g_value_set_enum (value, atk_object_get_role (accessible));
       break;
     case PROP_LAYER:
       if (ATK_IS_COMPONENT (accessible))