gdiplus: Let GdipDrawArcI use float args version.

dlls/gdiplus/graphics.c

@@ -932,22 +932,7 @@ GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
 {
-    INT save_state, num_pts;
-    GpPointF points[MAX_ARC_PTS];
-    GpStatus retval;
-
-    if(!graphics || !pen || width <= 0 || height <= 0)
-        return InvalidParameter;
-
-    num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
-
-    save_state = prepare_dc(graphics, pen);
-
-    retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
-
-    restore_dc(graphics, save_state);
-
-    return retval;
+    return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
 }
 
 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,