[gtk+/wip/native-file-chooser: 1/7] TreeModelFilter: Fix uninitialized memory read.

[Alexander Larsson <alexl src gnome org>]

commit 1db7dc5c3c2980c29d117d28e6a31ce449af2618
Author: Alexander Larsson <alexl redhat com>
Date:   Thu Oct 29 15:17:44 2015 +0100

    TreeModelFilter: Fix uninitialized memory read.
    
    We were copying an iterator that sometimes was not initialized,
    which caused debugger warnings in VS2015.

 gtk/gtktreemodelfilter.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtktreemodelfilter.c b/gtk/gtktreemodelfilter.c
index 01f3e17..0605796 100644
--- a/gtk/gtktreemodelfilter.c
+++ b/gtk/gtktreemodelfilter.c
@@ -1365,10 +1365,11 @@ gtk_tree_model_filter_check_ancestors (GtkTreeModelFilter *filter,
     return;
 
   if (filter->priv->virtual_root)
-    gtk_tree_model_get_iter (filter->priv->child_model, &c_iter,
-                             filter->priv->virtual_root);
-
-  tmp_iter = c_iter;
+    {
+      gtk_tree_model_get_iter (filter->priv->child_model, &c_iter,
+                               filter->priv->virtual_root);
+      tmp_iter = c_iter;
+    }
   gtk_tree_model_iter_nth_child (filter->priv->child_model, &c_iter,
                                  filter->priv->virtual_root ? &tmp_iter : NULL,
                                  indices[i]);