File gtk+-mac_ctree.patch of Package gtk2

--- gtk+-2.4.0/gtk/gtkctree.c
+++ gtk+-2.4.0/gtk/gtkctree.c
@@ -654,8 +654,8 @@
   ctree->tree_indent    = 20;
   ctree->tree_spacing   = 5;
   ctree->tree_column    = 0;
-  ctree->line_style     = GTK_CTREE_LINES_SOLID;
-  ctree->expander_style = GTK_CTREE_EXPANDER_SQUARE;
+  ctree->line_style     = GTK_CTREE_LINES_NONE;
+  ctree->expander_style = GTK_CTREE_EXPANDER_TRIANGLE;
   ctree->drag_compare   = NULL;
   ctree->show_stub      = TRUE;