message: clang-format: prevent style changes
  This seems to be necessary with Clang 9.
diff: @@ -6,6 +6,7 @@ AlignEscapedNewlines: DontAlign
  AlignOperands: true
  AlignTrailingComments: false
  AllowAllParametersOfDeclarationOnNextLine: true
  +AllowAllConstructorInitializersOnNextLine: false
  AllowShortBlocksOnASingleLine: false
  AllowShortCaseLabelsOnASingleLine: false
  AllowShortFunctionsOnASingleLine: Inline
  