Avoid running valgrind on tasks_size_overhead_sched.sh

tests/microbenchs/tasks_size_overhead_sched.sh

@@ -18,7 +18,7 @@
 ROOT=${0%.sh}
 ROOT=${ROOT%_sched}
 unset STARPU_SSILENT
-$STARPU_LAUNCH $ROOT "$@" > tasks_size_overhead.output
+$STARPU_LAUNCH $_STARPU_LAUNCH $ROOT "$@" > tasks_size_overhead.output
 ret=$?
 if test "$ret" = "0"
 then

tests/microbenchs/tasks_size_overhead_scheds.sh

@@ -2,7 +2,7 @@
 # StarPU --- Runtime system for heterogeneous multicore architectures.
 #
 # Copyright (C) 2016,2017                                CNRS
-# Copyright (C) 2016,2019                                Université de Bordeaux
+# Copyright (C) 2016,2019-2020                           Université de Bordeaux
 #
 # StarPU is free software; you can redistribute it and/or modify
 # it under the terms of the GNU Lesser General Public License as published by
@@ -24,4 +24,6 @@ then
 	FAST="-i 8"
 fi
 
+_STARPU_LAUNCH="$STARPU_LAUNCH"
+unset STARPU_LAUNCH
 test_scheds tasks_size_overhead_sched.sh $FAST