syscall: fix InotifyInit on linux/arm64

There is no SYS_INOTIFY_INIT on linux/arm64, only SYS_INOTIFY_INIT1.

Change-Id: I97f430f2c2b910fb19dce495ff1adf591b8634fc
Reviewed-on: https://go-review.googlesource.com/9870
Run-TryBot: Minux Ma <minux@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dave Cheney <dave@cheney.net>
diff --git a/src/syscall/syscall_linux_arm64.go b/src/syscall/syscall_linux_arm64.go
index 3c4eabc..7ca4164 100644
--- a/src/syscall/syscall_linux_arm64.go
+++ b/src/syscall/syscall_linux_arm64.go
@@ -124,11 +124,14 @@
 	cmsg.Len = uint64(length)
 }
 
+func InotifyInit() (fd int, err error) {
+	return InotifyInit1(0)
+}
+
 // TODO(dfc): constants that should be in zsysnum_linux_arm64.go, remove
 // these when the deprecated syscalls that the syscall package relies on
 // are removed.
 const (
-	SYS_INOTIFY_INIT = 1043
 	SYS_GETPGRP      = 1060
 	SYS_UTIMES       = 1037
 	SYS_FUTIMESAT    = 1066