Docs/manual.texi:
  Portability updates, user addition and changelog for 3.23.24
mysys/thr_rwlock.c:
  Portability fix
scripts/make_binary_distribution.sh:
  Added use of sbindir
scripts/mysql_install_db.sh:
  Fixed usage of defaults files
sql/ha_myisam.cc:
  Cleanup
sql/sql_base.cc:
  Cleanup