tests: apply binary mode to output in seq.py
I noticed this when playing with running tests using WSL, and iterating over the
output yielded '0\r', '1\r',... Most of the other *.py tools do this, and `seq`
on MSYS lacks '\r' in the output, so this is more consistent.
# See http://EditorConfig.org for the specification
root = true
[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true
[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true
[*.t]
indent_size = 2
indent_style = space
trim_trailing_whitespace = false