cgroup: fix typo

Signed-off-by: Tycho Andersen <tycho.andersen@canonical.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

criu/cgroup.c

@@ -1131,7 +1131,7 @@ static int restore_perms(int fd, const char *path, CgroupPerms *perms)
 static int restore_cgroup_prop(const CgroupPropEntry * cg_prop_entry_p,
 			       char *path, int off)
 {
-	int cg, fd, len, ret = -1;;
+	int cg, fd, len, ret = -1;
 	CgroupPerms *perms = cg_prop_entry_p->perms;
 
 	if (!cg_prop_entry_p->value) {