need to define Tiklock for now

Reference: /n/atom/patch/applied2013/nixmktik
Date: Fri Dec 27 03:06:33 CET 2013
Signed-off-by: quanstro@quanstro.net

--- /sys/src/nix/k10/mkfile	Fri Dec 27 03:06:21 2013
+++ /sys/src/nix/k10/mkfile	Fri Dec 27 03:06:22 2013
@@ -7,6 +7,7 @@
 
 nix:V:	$p$CONF
 
+CFLAGS=-FVTw -DTiklock
 <| awk -f ../mk/parse $CONF
 <../mk/bootmkfile
 <../mk/portmkfile