internal/syscall/unix: correct ia64 syscall numbers

Per Andreas Schwab.

Change-Id: Ib3e0b17722ce24001aa46a4f0ae36865a228b084
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/246264
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/libgo/go/internal/syscall/unix/sysnum_linux_ia64.go b/libgo/go/internal/syscall/unix/sysnum_linux_ia64.go
index bb7c363..6a5d0c9 100644
--- a/libgo/go/internal/syscall/unix/sysnum_linux_ia64.go
+++ b/libgo/go/internal/syscall/unix/sysnum_linux_ia64.go
@@ -5,6 +5,6 @@
 package unix
 
 const (
-	getrandomTrap     uintptr = 315
-	copyFileRangeTrap uintptr = 323
+	getrandomTrap     uintptr = 1339
+	copyFileRangeTrap uintptr = 1347
 )