[update 2.0] #20174

20174
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Issue 6192:	[Bug]: FileReference>>#extension causes error if no extension
	http://code.google.com/p/pharo/issues/detail?id=6192
	
Issue 6198:	Extension missing
	http://code.google.com/p/pharo/issues/detail?id=6198
	
Issue 6130:	Use of freetype will crash on Windows due to FS changes
	http://code.google.com/p/pharo/issues/detail?id=6130
--
Marcus Denker -- http://marcusdenker.de