Fixes Circular arrow distortion, Bug #46272

Distortion occurred when angle mod 90° != 0

All of my past & future contributions to LibreOffice may be
   licensed under the MPL/LGPLv3+ dual license
- Lennard Wasserthal

Change-Id: I4af7e7f1dcbc4d1262592c362532df4957e52399
Signed-off-by: Lennard <Wasserthal@nefkom.net>
Reviewed-on: https://gerrit.libreoffice.org/679Reviewed-by: Radek Doulík <rodo@novell.com>
Tested-by: Radek Doulík <rodo@novell.com>

svx/source/customshapes/EnhancedCustomShape2d.cxx

@@ -1725,10 +1725,9 @@ void EnhancedCustomShape2d::CreateSubPath( sal_uInt16& rSrcPt, sal_uInt16& rSegm
                             Point aCenter( aRect.Center() );
                             Point aStart( GetPoint( seqCoordinates[ (sal_uInt16)( rSrcPt + nXor ) ], sal_True, sal_True ) );
                             Point aEnd( GetPoint( seqCoordinates[ (sal_uInt16)( rSrcPt + ( nXor ^ 1 ) ) ], sal_True, sal_True ) );
-                            double fRatio = (double)aRect.GetHeight() / (double)aRect.GetWidth();
-                            aStart.X() = (sal_Int32)( ( (double)( aStart.X() - aCenter.X() ) ) * fRatio ) + aCenter.X();
+                            aStart.X() = (sal_Int32)( ( (double)( aStart.X() - aCenter.X() ) ) ) + aCenter.X();
                             aStart.Y() = (sal_Int32)( ( (double)( aStart.Y() - aCenter.Y() ) ) ) + aCenter.Y();
-                            aEnd.X() = (sal_Int32)( ( (double)( aEnd.X() - aCenter.X() ) ) * fRatio ) + aCenter.X();
+                            aEnd.X() = (sal_Int32)( ( (double)( aEnd.X() - aCenter.X() ) ) ) + aCenter.X();
                             aEnd.Y() = (sal_Int32)( ( (double)( aEnd.Y() - aCenter.Y() ) ) ) + aCenter.Y();
                             aNewB2DPolygon.append(CreateArc( aRect, aStart, aEnd, bClockwise));
                         }