Update bionic kernel headers using update_all.py

Change-Id: I4da6b23cdbce89445f1ca5d2fadeb23345ce694c
diff --git a/libc/kernel/common/linux/if_tun.h b/libc/kernel/common/linux/if_tun.h
index 9ed49f1..c3ee0c0 100644
--- a/libc/kernel/common/linux/if_tun.h
+++ b/libc/kernel/common/linux/if_tun.h
@@ -7,71 +7,80 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef __IF_TUN_H
 #define __IF_TUN_H
-
 #include <linux/types.h>
 #include <linux/if_ether.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/filter.h>
-
 #define TUN_READQ_SIZE 500
-
 #define TUN_TUN_DEV 0x0001 
 #define TUN_TAP_DEV 0x0002
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TUN_TYPE_MASK 0x000f
-
 #define TUN_FASYNC 0x0010
 #define TUN_NOCHECKSUM 0x0020
 #define TUN_NO_PI 0x0040
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TUN_ONE_QUEUE 0x0080
 #define TUN_PERSIST 0x0100 
 #define TUN_VNET_HDR 0x0200
-
 #define TUNSETNOCSUM _IOW('T', 200, int) 
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TUNSETDEBUG _IOW('T', 201, int) 
 #define TUNSETIFF _IOW('T', 202, int) 
 #define TUNSETPERSIST _IOW('T', 203, int) 
 #define TUNSETOWNER _IOW('T', 204, int)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TUNSETLINK _IOW('T', 205, int)
 #define TUNSETGROUP _IOW('T', 206, int)
 #define TUNGETFEATURES _IOR('T', 207, unsigned int)
 #define TUNSETOFFLOAD _IOW('T', 208, unsigned int)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TUNSETTXFILTER _IOW('T', 209, unsigned int)
 #define TUNGETIFF _IOR('T', 210, unsigned int)
 #define TUNGETSNDBUF _IOR('T', 211, int)
 #define TUNSETSNDBUF _IOW('T', 212, int)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TUNATTACHFILTER _IOW('T', 213, struct sock_fprog)
 #define TUNDETACHFILTER _IOW('T', 214, struct sock_fprog)
 #define TUNGETVNETHDRSZ _IOR('T', 215, int)
 #define TUNSETVNETHDRSZ _IOW('T', 216, int)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IFF_TUN 0x0001
 #define IFF_TAP 0x0002
 #define IFF_NO_PI 0x1000
 #define IFF_ONE_QUEUE 0x2000
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IFF_VNET_HDR 0x4000
 #define IFF_TUN_EXCL 0x8000
-
 #define TUN_F_CSUM 0x01  
 #define TUN_F_TSO4 0x02  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TUN_F_TSO6 0x04  
 #define TUN_F_TSO_ECN 0x08  
 #define TUN_F_UFO 0x10  
-
 #define TUN_PKT_STRIP 0x0001
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct tun_pi {
  __u16 flags;
  __be16 proto;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TUN_FLT_ALLMULTI 0x0001  
 struct tun_filter {
  __u16 flags;
  __u16 count;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u8 addr[0][ETH_ALEN];
 };
-
 #endif
-