Raytrace benchmark now runs as it should.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8426 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/drd/scripts/run-splash2 b/drd/scripts/run-splash2
index 5d02a76..5427dae 100755
--- a/drd/scripts/run-splash2
+++ b/drd/scripts/run-splash2
@@ -227,7 +227,7 @@
     gzip -cd <$f >${f%.Z}
   done
   cd ..
-  test_args=inputs/car.env psep=' ' run_test ./RAYTRACE 
+  test_args=inputs/car.env psep='' run_test ./RAYTRACE -m64
 )
 
 # Water-n2