Avoid explicit mention of stdin, stdout, and stderr in instructions for file...

Avoid explicit mention of stdin, stdout, and stderr in instructions for file I/O when building with LINK_CLEAN_RUNTIME; this avoids __acrt_iob_func which has changed in recent Windows versions
17 jobs for master in 16 minutes and 30 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #98727
build

00:00:22

passed #98728
build-clang

00:00:21

passed #98730
build-wasm

00:01:11

passed #98729
build-windows

00:00:20

 
  Test Interpreter
passed #98732
benchmark-x64-32

00:04:50

passed #98731
benchmark-x64-64

00:07:24

passed #98733
benchmark-x64-wasm

00:04:56

passed #98735
benchmark-x86-32

00:04:46

passed #98734
benchmark-x86-64

00:04:11

passed #98736
benchmark-x86-wasm

00:05:39

 
  Test Interworking
passed #98738
interworking-GraphCopy

00:00:47

passed #98739
interworking-GraphCopy-clang

00:04:42

passed #98737
interworking-Start

00:00:46

passed #98741
interworking-x86-GraphCopy

00:00:46

passed #98740
interworking-x86-Start

00:00:46

 
  Examples
passed #98742
examples

00:00:40

passed #98743
examples-x86

00:00:21