Dont prevent SCO platforms for using the default ZAxisMapping now that the

OS layer correctly sends z-axis events when the wheel button is used.

hw/xfree86/common/xf86Configure.c

@@ -317,11 +317,9 @@ configureInputSection (void)
 #ifndef __SCO__
     mouse->inp_option_lst = 
 		xf86addNewOption(mouse->inp_option_lst, "Device", DFLT_MOUSE_DEV);
-#ifndef __UNIXWARE__
+#endif
     mouse->inp_option_lst = 
 		xf86addNewOption(mouse->inp_option_lst, "ZAxisMapping", "4 5 6 7");
-#endif
-#endif
     ptr = (XF86ConfInputPtr)xf86addListItem((glp)ptr, (glp)mouse);
     return ptr;
 }