[Fontconfig] patch to fix endless loop in fc-cache

[Mike FABIAN]

by Takashi Iwai <tiwai at suse.de>.

fc-cache did loop endless if a subdirectory was a symlink
pointing to a directory higher up, e.g.
ln -s /usr/share/fonts /usr/share/fonts/ttt

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-- 
Mike FABIAN   <mfabian at suse.de>   http://www.suse.de/~mfabian
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