am 880d0e6c: Merge "Remove hidden __reboot from header"

* commit '880d0e6c64eb49736125648d1539726629308316':
  Remove hidden __reboot from header
diff --git a/libc/include/sys/reboot.h b/libc/include/sys/reboot.h
index df81139..7d202f7 100644
--- a/libc/include/sys/reboot.h
+++ b/libc/include/sys/reboot.h
@@ -42,7 +42,6 @@
 #define RB_POWER_OFF    LINUX_REBOOT_CMD_POWER_OFF
 
 extern int reboot(int  reboot_type);
-extern int __reboot(int, int, int, void *);
 
 __END_DECLS