ClangFormatLinter: add fine-grained diff
ClangFormatLinter: add fine-grained diff

In order to have a more useful output, use the -output-replacements-xml
flag. This flag will output a list of replacement sequences. Each
sequence will then be parsed and add as a warning message for arcanist.

Signed-off-by: Clement Leger <127e418082c302a93fa05dddc58b8ec5f01ff30d@kalray.eu>

vhbit/clang-format-linter