configitems: change the `verify.skipflags` default value to avoid a py3 crash
The revlog and LFS modules use various `&` and `&=` operations with this value,
which no longer treats `None` as 0. Since nothing cares if it was actually set
in the config or not, just default to 0 for simplicity.
# See http://EditorConfig.org for the specification
root = true
[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true
end_of_line = lf
[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true
end_of_line = lf
[*.t]
indent_size = 2
indent_style = space
trim_trailing_whitespace = false
end_of_line = lf