Fixed slowdown problem on win98
Fixed syntax for ALTER TABLE .. RENAME


Docs/manual.texi:
  changelog
libmysql/libmysql.c:
  Fixed that enable-reads-from-master and repl-parse-query works in option files.
myisam/ft_boolean_search.c:
  Portability fixes
mysys/my_thr_init.c:
  cleanup
sql/sql_base.cc:
  Fixed slowdown problem on win98
sql/sql_delete.cc:
  Removed compiler warnings
sql/sql_insert.cc:
  Removed compiler warnings
sql/sql_update.cc:
  Removed compiler warnings
sql/sql_yacc.yy:
  Fixed syntax for ALTER TABLE .. RENAME
vio/vio.c:
  Added test of OS2
vio/viosocket.c:
  cleanup