[libdazzle] tree: whitespace cleanup

[Christian Hergert <chergert src gnome org>]

commit 4ae5f641e030114b01a841a0c7482c296205bd3b
Author: Christian Hergert <chergert redhat com>
Date:   Thu Sep 7 16:54:42 2017 -0700

    tree: whitespace cleanup

 src/tree/dzl-tree-builder.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/tree/dzl-tree-builder.h b/src/tree/dzl-tree-builder.h
index 07608c7..a4a2ec8 100644
--- a/src/tree/dzl-tree-builder.h
+++ b/src/tree/dzl-tree-builder.h
@@ -31,9 +31,9 @@ struct _DzlTreeBuilderClass
   GInitiallyUnownedClass parent_class;
 
   void     (*added)           (DzlTreeBuilder *builder,
-                               GtkWidget     *tree);
+                               GtkWidget      *tree);
   void     (*removed)         (DzlTreeBuilder *builder,
-                               GtkWidget     *tree);
+                               GtkWidget      *tree);
   void     (*build_node)      (DzlTreeBuilder *builder,
                                DzlTreeNode    *node);
   gboolean (*node_activated)  (DzlTreeBuilder *builder,
@@ -44,7 +44,7 @@ struct _DzlTreeBuilderClass
                                DzlTreeNode    *node);
   void     (*node_popup)      (DzlTreeBuilder *builder,
                                DzlTreeNode    *node,
-                               GMenu         *menu);
+                               GMenu          *menu);
 };
 
 DzlTree *dzl_tree_builder_get_tree (DzlTreeBuilder *builder);