Regenerate uapi header files.

Change-Id: Idc934ed8ae17aba3300e4022e9b42177b0907e9d
diff --git a/libc/kernel/uapi/asm-generic/poll.h b/libc/kernel/uapi/asm-generic/poll.h
index 7faa0b8..45d2c94 100644
--- a/libc/kernel/uapi/asm-generic/poll.h
+++ b/libc/kernel/uapi/asm-generic/poll.h
@@ -48,12 +48,11 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 #define POLLFREE 0x4000
-#define POLL_BUSY_LOOP 0x8000
 struct pollfd {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int fd;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  short events;
  short revents;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */