Remove all trailing spaces

No real changes, just clean up sources by removing trailing spaces from
all the non-generated files.

This should hopefully avoid future commits mixing significant changes
with insignificant whitespace ones.

include/wx/osx/core/private.h

@@ -168,7 +168,7 @@ public :
                        const wxString& strHelp,
                        wxItemKind kind,
                        wxMenu *pSubMenu );
-    
+
     // handle OS specific menu items if they weren't handled during normal processing
     virtual bool DoDefault() { return false; }
 protected :
@@ -197,7 +197,7 @@ public :
     wxMenu* GetWXPeer() { return m_peer ; }
 
     virtual void PopUp( wxWindow *win, int x, int y ) = 0;
-    
+
     virtual void GetMenuBarDimensions(int &x, int &y, int &width, int &height) const
     {
         x = y = width = height = -1;
@@ -232,13 +232,13 @@ public :
     void Init();
 
     bool                IsRootControl() const { return m_isRootControl; }
-    
+
     // is a custom control that has all events handled in wx code, no built-ins
     bool                IsUserPane() const { return m_isUserPane; }
 
     // we are doing keyboard handling in wx code, other events might be handled natively
     virtual bool        HasUserKeyHandling() const { return m_wantsUserKey; }
-    
+
     // we are doing mouse handling in wx code, other events might be handled natively
     virtual bool        HasUserMouseHandling() const { return m_wantsUserMouse; }
 
@@ -280,7 +280,7 @@ public :
     {
         return 1.0;
     }
-    
+
     // the native coordinates may have an 'aura' for shadows etc, if this is the case the layout
     // inset indicates on which insets the real control is drawn
     virtual void        GetLayoutInset(int &left , int &top , int &right, int &bottom) const
@@ -299,7 +299,7 @@ public :
 
     virtual bool        NeedsFrame() const;
     virtual void        SetNeedsFrame( bool needs );
-    
+
     virtual void        SetDrawingEnabled(bool enabled);
 
     virtual bool        CanFocus() const = 0;
@@ -322,7 +322,7 @@ public :
     virtual void        SetCursor( const wxCursor & cursor ) = 0;
     virtual void        CaptureMouse() = 0;
     virtual void        ReleaseMouse() = 0;
-    
+
     virtual void        SetDropTarget( wxDropTarget * WXUNUSED(dropTarget) ) {}
 
     virtual wxInt32     GetValue() const = 0;
@@ -371,7 +371,7 @@ public :
     // of a known control
     static wxWidgetImpl*
                         FindBestFromWXWidget(WXWidget control);
-    
+
     static void         RemoveAssociations( wxWidgetImpl* impl);
     static void         RemoveAssociation(WXWidget control);
 
@@ -955,7 +955,7 @@ public :
     virtual void ScreenToWindow( int *x, int *y ) = 0;
 
     virtual void WindowToScreen( int *x, int *y ) = 0;
-    
+
     virtual bool IsActive() = 0;
 
     wxNonOwnedWindow*   GetWXPeer() { return m_wxPeer; }