statfs: make getfstype() raise OSError
It's better for getfstype() function to not suppress an error. Callers can
handle it as necessary. Now "hg debugfsinfo" will report OSError.
# 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