Change binding for QgsMapRenderer::render

Author: mhugent

python/core/qgsmaprenderer.sip

@@ -95,7 +95,7 @@ class QgsMapRenderer : QObject
 
     //! starts rendering
     //! @ param forceWidthScale Force a specific scale factor for line widths and marker sizes. Automatically calculated from output device DPI if 0
-    void render( QPainter* painter, double* forceWidthScale = 0 );
+    void render( QPainter* painter );
 
     //! sets extent and checks whether suitable (returns false if not)
     bool setExtent( const QgsRectangle& extent );