Patch by Kevin E. Martin, to fix SEGV in "radeon" driver, as reported
in the following bugs:

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=130888
http://freedesktop.org/bugzilla/show_bug.cgi?id=1306

URL's to the 2 patches that fix bug 130888 are linked to in upstream bug
1306.

	- Mike A. Harris <mharris@redhat.com>

--- xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_driver.c.ORIG	Fri Oct 15 14:53:27 2004
+++ xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_driver.c	Fri Oct 15 15:22:06 2004
@@ -3157,8 +3157,9 @@
 		new->next       = NULL;
 		new->prev       = last;
 
-		last->next = new;
+		if (last) last->next = new;
 		last = new;
+		if (!first) first = new;
 	    }
 	}
     }