context: correct metadataonlyctx's parameter
It's "originalctx", not "path" as Yuya pointed in [1].
[1]: www.mercurial-scm.org/pipermail/mercurial-devel/2016-December/091508.html
# 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