test: fix test-child-process-double-pipe
test: fix test-child-process-double-pipe

On Windows, grep and sed were stripping the CR character out of CRLF.
Passing --binary will force them to preserve the CR.

dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node