[gtk+] icontheme: Silence some compiler warnings

[Timm Bäder <baedert src gnome org>]

commit 134ba2ebf7abfa8ef247cf253304dafa2abd227f
Author: Timm Bäder <mail baedert org>
Date:   Mon Oct 23 13:39:22 2017 +0200

    icontheme: Silence some compiler warnings

 gtk/gtkicontheme.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkicontheme.c b/gtk/gtkicontheme.c
index 64842b4..10217b1 100644
--- a/gtk/gtkicontheme.c
+++ b/gtk/gtkicontheme.c
@@ -4030,7 +4030,7 @@ gtk_icon_info_load_texture (GtkIconInfo *icon_info)
       icon_info->texture = gsk_texture_new_for_pixbuf (pixbuf);
       g_object_unref (pixbuf);
 
-      g_object_add_weak_pointer (icon_info->texture, &icon_info->texture);
+      g_object_add_weak_pointer (G_OBJECT (icon_info->texture), (void **)&icon_info->texture);
     }
 
   if (icon_info->in_cache != NULL)