[gnome-builder] libide: add IdeTree to public API

[Christian Hergert <chergert src gnome org>]

commit f109d71c4d10303692d419ce3815a1d9c8d7fabd
Author: Christian Hergert <christian hergert me>
Date:   Wed Nov 18 14:56:34 2015 -0800

    libide: add IdeTree to public API

 libide/ide.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/libide/ide.h b/libide/ide.h
index 8191abc..19444e8 100644
--- a/libide/ide.h
+++ b/libide/ide.h
@@ -100,6 +100,10 @@ G_BEGIN_DECLS
 #include "ide-test-case.h"
 #include "ide-test-suite.h"
 #include "ide-thread-pool.h"
+#include "ide-tree-types.h"
+#include "ide-tree.h"
+#include "ide-tree-builder.h"
+#include "ide-tree-node.h"
 #include "ide-types.h"
 #include "ide-unsaved-file.h"
 #include "ide-unsaved-files.h"