[PATCH libXt] XtFree() can handle NULL , remove check

[Alan Coopersmith]

walter harms wrote:
>>From dd37c578f348d9ba3e466bee6458629c5fde03a1 Mon Sep 17 00:00:00 2001
> 
> XtFree() can handle NULL , remove check
> 
> Signed-off-by: walter harms <wharms at bfs.de>

Reviewed & pushed to git master.  Thanks for the patch.

-- 
	-Alan Coopersmith-        alan.coopersmith at oracle.com
	 Oracle Solaris Platform Engineering: X Window System