gdiplus: Stub for GdipGetNearestColor.
diff --git a/include/gdiplusflat.h b/include/gdiplusflat.h
index 1f93258..216b2f3 100644
--- a/include/gdiplusflat.h
+++ b/include/gdiplusflat.h
@@ -196,6 +196,7 @@
 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics*,REAL*);
 GpStatus WINGDIPAPI GdipGetImageGraphicsContext(GpImage*,GpGraphics**);
 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics*,InterpolationMode*);
+GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics*,ARGB*);
 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics*,REAL*);
 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics*,GpUnit*);
 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics*,PixelOffsetMode*);