Fix cpusetsize parameter in sched_setaffinity call

When converting to CPU_ALLOC this was missed, so sizeof(pointer) was
being passed. "Works" up to 64cpus, fix it passing the value returned by
CPU_ALLOC_SIZE.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

python-schedutils/schedutils.c

diff --git a/python-schedutils/schedutils.c b/python-schedutils/schedutils.c
index 65f1da7..d852d5d 100644
--- a/python-schedutils/schedutils.c
+++ b/python-schedutils/schedutils.c
@@ -179,7 +179,7 @@
 		CPU_SET_S(cpu, cpusetsize, cpus);
 	}
 
-	i = sched_setaffinity(pid, sizeof(cpus), cpus);
+	i = sched_setaffinity(pid, cpusetsize, cpus);
 	CPU_FREE(cpus);
 
 	if (i < 0)