* deprecate QgsRasterLayer::previewAsPixmap() (doesn't work in background threads)
* QImage::fill( QColor ) does not exists prior to Qt 4.8
diff --git a/src/core/raster/qgsrasterlayerrenderer.h b/src/core/raster/qgsrasterlayerrenderer.h
index 6ab4a49..40a27a2 100644
--- a/src/core/raster/qgsrasterlayerrenderer.h
+++ b/src/core/raster/qgsrasterlayerrenderer.h
@@ -8,7 +8,7 @@ class QPainter;
class QgsMapToPixel;
class QgsRasterLayer;
class QgsRasterPipe;
-class QgsRasterViewPort;
+struct QgsRasterViewPort;
class QgsRenderContext;
class QgsRasterLayerRenderer : public QgsMapLayerRenderer
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