[Fontconfig] fc_match blunder when lang=en,ja

[Keith Packard]

I append ,ja to my lang value so that Han characters are rendered with a
Japanese, rather than Chinese font. However, this causes fc_match to
return only fonts capable of displaying both en and ja languages, which
is different than the original behaviour.

Easily reproduced:

$ fc-match sans:lang=en
DejaVuSans.ttf: "DejaVu Sans" "Book"
$ fc-match sans:lang=en,ja
msgothic.ttf: "ＭＳ ゴシック" "Regular"
$ LD_LIBRARY_PATH=/usr/lib fc-match sans:lang=en,ja
DejaVu-Sans.ttf: "DejaVu Sans" "Book"


-- 
keith.packard at intel.com
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