[gnote] Add #include here, rahter than use one from .hpp

[Aurimas Černius <aurimasc src gnome org>]

commit 04686d2cf698fb1f2845057d4aa9b26d881853e4
Author: Aurimas Černius <aurisc4 gmail com>
Date:   Sat Mar 12 21:12:57 2016 +0200

    Add #include here, rahter than use one from .hpp

 src/notewindow.cpp |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/notewindow.cpp b/src/notewindow.cpp
index f553499..9ea77ba 100644
--- a/src/notewindow.cpp
+++ b/src/notewindow.cpp
@@ -1,7 +1,7 @@
 /*
  * gnote
  *
- * Copyright (C) 2011-2015 Aurimas Cernius
+ * Copyright (C) 2011-2016 Aurimas Cernius
  * Copyright (C) 2009 Hubert Figuiere
  *
  * This program is free software: you can redistribute it and/or modify
@@ -27,6 +27,7 @@
 #include <glibmm/i18n.h>
 #include <gtkmm/grid.h>
 #include <gtkmm/image.h>
+#include <gtkmm/imagemenuitem.h>
 #include <gtkmm/stock.h>
 #include <gtkmm/separatortoolitem.h>
 #include <gtkmm/separatormenuitem.h>