fix build, sorry

TBR=r
CC=golang-dev
https://golang.org/cl/5488066

src/clean.bash

@@ -24,7 +24,7 @@ for i in lib9 libbio libmach cmd pkg \
 	../misc/cgo/life ../misc/cgo/test \
 	../misc/dashboard/builder ../misc/goplay\
 	../doc/codelab/wiki\
-	../test/bench ../test/garbage
+	../test/bench/shootout ../test/garbage
 do
 	# Do not use gomake here. It may not be available.
 	$MAKE -C "$GOROOT/src/$i" clean

test/bench/shootout/Makefile

@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
 
-include ../../src/Make.inc
+include ../../../src/Make.inc
 
 all:
 	@echo "make clean or timing"