v2.3.2
Stricter check of punycode-decode input
Add crash reproducer from oss-fuzz
Update copyright years. Add custom my-update-copyright rule.
Improve fuzzing
Update fuzz corpora
Fix fuzzers (broken by previous commit)
Fuzzing reworked
fuzz/main.c: Avoid alloca() / VLA / heap allocation
run-clang.sh: Fix -I directory
Fix 'make check-valgrind'