due to missing complete support for B2DPolygon class

(cherry picked from commit cab10eeb)

Conflicts:
	cppcanvas/source/mtfrenderer/implrenderer.cxx
	svx/source/sdr/overlay/overlaymanagerbuffered.cxx
	svx/source/svdraw/svdpntv.cxx
	vcl/aqua/source/gdi/salgdi.cxx
	vcl/inc/region.h
	vcl/inc/unx/gtk/gtkgdi.hxx
	vcl/inc/vcl/regband.hxx
	vcl/inc/vcl/region.hxx
	vcl/os2/source/gdi/salgdi.cxx
	vcl/source/gdi/bmpacc3.cxx
	vcl/source/gdi/outdev2.cxx
	vcl/source/gdi/outmap.cxx
	vcl/source/gdi/regband.cxx
	vcl/source/gdi/region.cxx
	vcl/source/window/window.cxx
	vcl/unx/generic/gdi/pspgraphics.cxx
	vcl/unx/headless/svpgdi.cxx
	vcl/unx/headless/svppspgraphics.cxx
	vcl/win/source/gdi/salgdi.cxx

Change-Id: Iee9a66ff431c3cecb7603e445147b67715de0f7d

Remove unused variable to prevent compiler warning

(cherry picked from commit 0ac65ccf)

Change-Id: Icbcaa9d576a7e560d96debc7360bdbe9090b3fd3

Wrong comparison with bool corrected

(cherry picked from commit 612cefdc)

Change-Id: I1cf5de6734b588f78d8e870ba7b7860634b461ce