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/graphics.h

@@ -35,7 +35,7 @@ enum wxInterpolationQuality
     // default interpolation
     wxINTERPOLATION_DEFAULT,
     // no interpolation
-    wxINTERPOLATION_NONE, 
+    wxINTERPOLATION_NONE,
     // fast interpolation, suited for interactivity
     wxINTERPOLATION_FAST,
     // better quality
@@ -206,7 +206,7 @@ public:
 #if wxUSE_IMAGE
     wxImage ConvertToImage() const;
 #endif // wxUSE_IMAGE
-    
+
     void* GetNativeBitmap() const;
 
     const wxGraphicsBitmapData* GetBitmapData() const
@@ -601,10 +601,10 @@ public:
 
     // returns the current interpolation quality
     virtual wxInterpolationQuality GetInterpolationQuality() const { return m_interpolation; }
-    
+
     // sets the interpolation quality, returns true if it supported
     virtual bool SetInterpolationQuality(wxInterpolationQuality interpolation) = 0;
-    
+
     // returns the current compositing operator
     virtual wxCompositionMode GetCompositionMode() const { return m_composition; }
 
@@ -754,14 +754,14 @@ public:
 
     // helper to determine if a 0.5 offset should be applied for the drawing operation
     virtual bool ShouldOffset() const { return false; }
-    
-    // indicates whether the context should try to offset for pixel boundaries, this only makes sense on 
+
+    // indicates whether the context should try to offset for pixel boundaries, this only makes sense on
     // bitmap devices like screen, by default this is turned off
     virtual void EnableOffset(bool enable = true);
-    
+
     void DisableOffset() { EnableOffset(false); }
     bool OffsetEnabled() { return m_enableOffset; }
-    
+
 protected:
     // These fields must be initialized in the derived class ctors.
     wxDouble m_width,