[gtk+] inspector: GSK_IS_RENDER_NODE() does NULL-check

[Benjamin Otte <otte src gnome org>]

commit e9dedc503651c53e611fbc10ff14ef79bff1c8e0
Author: Benjamin Otte <otte redhat com>
Date:   Sat Sep 30 20:23:11 2017 +0200

    inspector: GSK_IS_RENDER_NODE() does NULL-check
    
    That means we don't need an extra one just so gcc can complain.

 gtk/inspector/gtktreemodelrendernode.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/inspector/gtktreemodelrendernode.c b/gtk/inspector/gtktreemodelrendernode.c
index 285cd01..bfb5a9c 100644
--- a/gtk/inspector/gtktreemodelrendernode.c
+++ b/gtk/inspector/gtktreemodelrendernode.c
@@ -607,7 +607,7 @@ gtk_tree_model_render_node_set_root_node (GtkTreeModelRenderNode *model,
   GtkTreePath *path;
 
   g_return_if_fail (GTK_IS_TREE_MODEL_RENDER_NODE (model));
-  g_return_if_fail (node == NULL || GSK_IS_RENDER_NODE (node));
+  g_return_if_fail (GSK_IS_RENDER_NODE (node));
 
   priv = model->priv;