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>
1 file changed