Small fix to the previous commit.

Making a small logical change,as per my code.Please let me know if some other
logic can be used here.'Slide Layouts' did not work properly after previous commit,
so pushing this change.

Change-Id: Iefbb33503bf1c37bdb899181c58109fb904af6de

sd/source/core/sdpage.cxx

@@ -1319,8 +1319,8 @@ static void CalcAutoLayoutRectangles( SdPage& rPage,Rectangle* rRectangle ,const
                     {
                         Size aSize( basegfx::fround(aLayoutSize.Width() * propvalue[1]),
                                     basegfx::fround(aLayoutSize.Height() * propvalue[0]) );
-                        Point aPos( basegfx::fround(aLayoutPos.X() +(aLayoutSize.Width() * propvalue[2])),
-                                    basegfx::fround(aLayoutPos.Y() + (aLayoutSize.Height() * propvalue[3])) );
+                        Point aPos( basegfx::fround(aLayoutPos.X() +(aSize.Width() * propvalue[2])),
+                                    basegfx::fround(aLayoutPos.Y() + (aSize.Height() * propvalue[3])) );
                         rRectangle[count] = Rectangle (aPos, aSize);
                         count = count+1;
                     }