[libgnomeui] Fix typo (G_TYPE_INSTANCE_CHECK_TYPE -> G_TYPE_CHECK_INSTANCE_TYPE)

[Piotr Eljasiak <epiotr src gnome org>]

commit 6757092e9ce4b090ba038880818ffda187c13800
Author: Piotr Eljasiak <epiotr src gnome org>
Date:   Sat Jan 22 22:15:44 2011 +0100

    Fix typo (G_TYPE_INSTANCE_CHECK_TYPE -> G_TYPE_CHECK_INSTANCE_TYPE)

 libgnomeui/gnome-thumbnail.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgnomeui/gnome-thumbnail.h b/libgnomeui/gnome-thumbnail.h
index 957344d..7018374 100644
--- a/libgnomeui/gnome-thumbnail.h
+++ b/libgnomeui/gnome-thumbnail.h
@@ -41,7 +41,7 @@ typedef enum {
 #define GNOME_TYPE_THUMBNAIL_FACTORY	(gnome_thumbnail_factory_get_type ())
 #define GNOME_THUMBNAIL_FACTORY(obj)		(G_TYPE_CHECK_INSTANCE_CAST ((obj), GNOME_TYPE_THUMBNAIL_FACTORY, GnomeThumbnailFactory))
 #define GNOME_THUMBNAIL_FACTORY_CLASS(klass)	(G_TYPE_CHECK_CLASS_CAST ((klass), GNOME_TYPE_THUMBNAIL_FACTORY, GnomeThumbnailFactoryClass))
-#define GNOME_IS_THUMBNAIL_FACTORY(obj)		(G_TYPE_INSTANCE_CHECK_TYPE ((obj), GNOME_TYPE_THUMBNAIL_FACTORY))
+#define GNOME_IS_THUMBNAIL_FACTORY(obj)		(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GNOME_TYPE_THUMBNAIL_FACTORY))
 #define GNOME_IS_THUMBNAIL_FACTORY_CLASS(klass)	(G_TYPE_CLASS_CHECK_CLASS_TYPE ((klass), GNOME_TYPE_THUMBNAIL_FACTORY))
 
 typedef struct _GnomeThumbnailFactory        GnomeThumbnailFactory;