Fix non-MULE Xft build

[Michael Sperber]

Stephen, could you review this?

 2006-11-18  Mike Sperber  <mike at xemacs.org>
 
	* redisplay-x.c (separate_textual_runs): Don't try to call
	ichar_to_unicode on non-MULE.

-- 
Cheers =8-} Mike
Friede, Völkerverständigung und überhaupt blabla
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