PowerPDF: remove unexpected frame from RRect

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@5770 8e941d3f-bd1b-0410-a28a-d453659cc2b4

components/powerpdf/PReport.pas

@@ -2380,7 +2380,14 @@ begin
     end;
 
     if self.GradientColor<>clNone then
+    begin
+      if (LineColor = clNone) or (LineStyle = psClear) then
+      begin
+        ACanvas.PdfCanvas.Closepath;
+        ACanvas.PdfCanvas.Fill;
+      end else
         ACanvas.PdfCanvas.ClosepathFillStroke
+    end
     else
       StdFillOrStroke(ACanvas.PDFCanvas);
   end;