contrib: make editmergeps able to work with Windows GUI editors
Using Start-Process -Wait makes it wait until the process finishes,
which is necesssary for Windows GUI applications. My short testing
also demonstrated that it does not hurt with command line vim.
# 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