Update to v4.17.3 kernel headers.
Test: Builds, boots on a walleye.
Change-Id: I389d8b61ec00ea309e38d1b1a2e0dace48c21edb
diff --git a/libc/kernel/uapi/asm-generic/poll.h b/libc/kernel/uapi/asm-generic/poll.h
index 11c43df..372bc77 100644
--- a/libc/kernel/uapi/asm-generic/poll.h
+++ b/libc/kernel/uapi/asm-generic/poll.h
@@ -41,8 +41,8 @@
#ifndef POLLRDHUP
#define POLLRDHUP 0x2000
#endif
-#define POLLFREE 0x4000
-#define POLL_BUSY_LOOP 0x8000
+#define POLLFREE (__force __poll_t) 0x4000
+#define POLL_BUSY_LOOP (__force __poll_t) 0x8000
struct pollfd {
int fd;
short events;