py3: use pycompat.sysargv in dispatch.run()
Another one to have a bytes result from sys.argv in Python 3.
This one is also a part of running `hg version` on Python 3.
# 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