add some SAL_WARN_UNUSED

Change-Id: I41ba1bed4f49a122a15213edf41e094254bfb282

include/svx/e3ditem.hxx

@@ -26,7 +26,7 @@
 
 class SvStream;
 
-class SVX_DLLPUBLIC SvxB3DVectorItem : public SfxPoolItem
+class SVX_DLLPUBLIC SAL_WARN_UNUSED SvxB3DVectorItem : public SfxPoolItem
 {
     basegfx::B3DVector  aVal;
 

include/svx/e3dsceneupdater.hxx

@@ -42,7 +42,7 @@ namespace drawinglayer { namespace geometry {
 // 3D content and tu use it. This is only wanted if changes to the scene's
 // content are intended to change the scene's 2D geometry attributes
 
-class SVX_DLLPUBLIC E3DModifySceneSnapRectUpdater
+class SVX_DLLPUBLIC SAL_WARN_UNUSED E3DModifySceneSnapRectUpdater
 {
     // the scene which may be changed. This gets set to the outmost scene
     // of the to-be-changed 3D object when the scene has a 3d transformation

include/svx/e3dundo.hxx

@@ -29,7 +29,7 @@
 |* Base class for all 3D undo actions.
 |*
 \************************************************************************/
-class E3dUndoAction : public SdrUndoAction
+class SAL_WARN_UNUSED E3dUndoAction : public SdrUndoAction
 {
 
     protected :
@@ -54,7 +54,7 @@ class E3dUndoAction : public SdrUndoAction
 |* Undo for 3D rotation through the rotation matrices
 |*
 \************************************************************************/
-class E3dRotateUndoAction : public E3dUndoAction
+class SAL_WARN_UNUSED E3dRotateUndoAction : public E3dUndoAction
 {
         basegfx::B3DHomMatrix aMyOldRotation;
         basegfx::B3DHomMatrix aMyNewRotation;
@@ -83,7 +83,7 @@ class E3dRotateUndoAction : public E3dUndoAction
 |* Undo for 3D attributes (implemented using Set3DAttributes())
 |*
 \************************************************************************/
-class SVX_DLLPUBLIC E3dAttributesUndoAction : public SdrUndoAction
+class SVX_DLLPUBLIC SAL_WARN_UNUSED E3dAttributesUndoAction : public SdrUndoAction
 {
     using SdrUndoAction::Repeat;
 

include/svx/extedit.hxx

@@ -19,7 +19,7 @@ class Graphic;
 class GraphicObject;
 class FileChangedChecker;
 
-class SVX_DLLPUBLIC ExternalToolEdit
+class SVX_DLLPUBLIC SAL_WARN_UNUSED ExternalToolEdit
 {
 protected:
     OUString m_aFileName;
@@ -42,7 +42,7 @@ public:
 class FmFormView;
 class SdrObject;
 
-class SVX_DLLPUBLIC SdrExternalToolEdit
+class SVX_DLLPUBLIC SAL_WARN_UNUSED SdrExternalToolEdit
     : public ExternalToolEdit
     , public SfxListener
 {

include/svx/extrud3d.hxx

@@ -29,7 +29,7 @@
 |*
 \************************************************************************/
 
-class SVX_DLLPUBLIC E3dExtrudeObj : public E3dCompoundObject
+class SVX_DLLPUBLIC SAL_WARN_UNUSED E3dExtrudeObj : public E3dCompoundObject
 {
 private:
     // to allow sdr::properties::E3dExtrudeProperties access to SetGeometryValid()

include/svx/extrusionbar.hxx

@@ -35,7 +35,7 @@ namespace svx
 
 SVX_DLLPUBLIC bool checkForSelectedCustomShapes( SdrView* pSdrView, bool bOnlyExtruded );
 
-class SVX_DLLPUBLIC ExtrusionBar : public SfxShell
+class SVX_DLLPUBLIC SAL_WARN_UNUSED ExtrusionBar : public SfxShell
 {
 public:
     TYPEINFO_OVERRIDE();