py3: use integer division in histedit
Histedit uses the `/` operator, which does type conversion to float in
Python 3 instead of integer division likeon Python 2. Let's preserve
the Python 2 behavior by importing and using the `//` operator.
Differential Revision: https://phab.mercurial-scm.org/D8324
# 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