Use clang-tidy to add curly braces around one-line statements

Use clang-tidy to add curly braces around one-line statements

The command used to reformat the files in this commit was:

./util/run-clang-tidy \
	-clang-tidy-binary clang-tidy-11
	-clang-apply-replacements-binary clang-apply-replacements-11 \
	-checks=-*,readability-braces-around-statements \
	-j 9 \
	-fix \
	-format \
	-style=file \
	-quiet
clang-format -i --style=format $(git ls-files '*.c' '*.h')
uncrustify -c .uncrustify.cfg --replace --no-backup $(git ls-files '*.c' '*.h')
clang-format -i --style=format $(git ls-files '*.c' '*.h')