to sal_uInt32

The old mixture of sal_uInt32, ULONG, sal_uLong, sal_uIntPtr gets
consolidated. 4e9 points are more than enough for a SalGraphics.

(cherry picked from commit 03f5dce9)

Conflicts:
	vcl/aqua/source/gdi/salgdi.cxx
	vcl/generic/print/genpspgraphics.cxx
	vcl/inc/os2/salgdi.h
	vcl/inc/quartz/salgdi.h
	vcl/inc/salgdi.hxx
	vcl/os2/source/gdi/salgdi.cxx
	vcl/os2/source/gdi/salgdi2.cxx
	vcl/source/gdi/salgdilayout.cxx
	vcl/unx/generic/gdi/salgdi.cxx
	vcl/unx/headless/svpgdi.hxx
	vcl/unx/headless/svppspgraphics.cxx
	vcl/unx/headless/svppspgraphics.hxx

Change-Id: Iddf806256c7e5403158635e3f5f0049e9382500f