for metafile-based exporters to vector formats

(cherry picked from commit 229a79b9)

Conflicts:
	basegfx/inc/basegfx/polygon/b2dpolypolygontools.hxx
	filter/source/flash/swfexporter.cxx
	filter/source/graphicfilter/eos2met/eos2met.cxx
	svtools/source/filter/wmf/wmf.cxx
	vcl/Package_inc.mk

Remove unused variable to prevent compile warnings.

(cherry picked from commit 60d19c16)

Change-Id: Iaeb02d7321bea2890cf4e969f1d45d58deef5584
106285f06a21f4f39f34c6755d12ac6cd4196a7f