Define sys_set_robust_list as an alias to sys_munmap

* linux/dummy.h (sys_set_robust_list): Redefine to sys_munmap.
diff --git a/linux/dummy.h b/linux/dummy.h
index 9219ff0..e9e6f4b 100644
--- a/linux/dummy.h
+++ b/linux/dummy.h
@@ -49,7 +49,6 @@
 #define	sys_rt_tgsigqueueinfo	printargs
 #define	sys_sched_rr_get_interval printargs
 #define	sys_sendmmsg		printargs
-#define	sys_set_robust_list	printargs
 #define	sys_sync_file_range	printargs
 #define	sys_sysfs		printargs
 #define	sys_syslog		printargs
@@ -85,6 +84,7 @@
 #define	sys_rename		sys_link
 #define	sys_rmdir		sys_chdir
 #define	sys_sched_get_priority_max	sys_sched_get_priority_min
+#define	sys_set_robust_list	sys_munmap
 #define	sys_setfsgid		sys_setfsuid
 #define	sys_setgid		sys_setuid
 #define	sys_setns		sys_inotify_rm_watch