chg: format code by clang-format version 11.0.1-+rc1-1
test-check-clang-format.t started failing on my Debian sid environment, and
new style looks slightly better. So let's bump the required clang-format
version to 11.
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: ForIndentation
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AllowShortBlocksOnASingleLine: false
AllowShortFunctionsOnASingleLine: false
IncludeCategories:
- Regex: '^<'
Priority: 1
- Regex: '^"'
Priority: 2