[Gui] minor header work

src/Gui/Utilities.h

@@ -23,15 +23,15 @@
 #ifndef GUI_UTILITIES_H
 #define GUI_UTILITIES_H
 
-#include <Base/ViewProj.h>
-#include <Base/Converter.h>
 #include <App/Material.h>
+#include <Base/Converter.h>
+#include <Base/ViewProj.h>
 #include <vector>
 #include <Inventor/SbColor.h>
-#include <Inventor/SbVec2f.h>
-#include <Inventor/SbViewVolume.h>
 #include <Inventor/SbMatrix.h>
 #include <Inventor/SbRotation.h>
+#include <Inventor/SbVec2f.h>
+#include <Inventor/SbViewVolume.h>
 
 class SbViewVolume;
 class QAbstractItemView;

src/Gui/View.cpp

@@ -24,8 +24,8 @@
 #include "PreCompiled.h"
 
 #include "View.h"
-#include "Document.h"
 #include "Application.h"
+#include "Document.h"
 
 using namespace Gui;
 

src/Gui/View.h

@@ -24,7 +24,6 @@
 #ifndef GUI_VIEW_H
 #define GUI_VIEW_H
 
-#include <vector>
 #include <Base/BaseClass.h>
 
 namespace App

src/Gui/View3DInventor.h

@@ -30,7 +30,6 @@
 #include <QImage>
 #include <QtOpenGL.h>
 
-class SoNode;
 class QPrinter;
 class QStackedWidget;