[gnome-builder] build: add missing include

[Christian Hergert <chergert src gnome org>]

commit 2cc6a283ee4f252e2399b009bb742df169fdeaa1
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jun 17 12:07:49 2016 -0700

    build: add missing include

 libide/editor/ide-editor-view.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libide/editor/ide-editor-view.c b/libide/editor/ide-editor-view.c
index a06db40..23257cd 100644
--- a/libide/editor/ide-editor-view.c
+++ b/libide/editor/ide-editor-view.c
@@ -25,6 +25,7 @@
 #include "ide-debug.h"
 #include "ide-macros.h"
 
+#include "buffers/ide-buffer-manager.h"
 #include "editor/ide-editor-frame-private.h"
 #include "editor/ide-editor-view-actions.h"
 #include "editor/ide-editor-view-addin.h"