Only write short usage if one starts mysqldump without any options
Added query cache on windows
Added error message if one can't read privilege tables


Docs/manual.texi:
  Changelog
VC++Files/bdb/bdb.dsp:
  Updated project files for 4.0.4
VC++Files/client/mysqlclient.dsp:
  Updated project files for 4.0.4
VC++Files/innobase/innobase.dsp:
  Updated project files for 4.0.4
VC++Files/mysqlbinlog/mysqlbinlog.dsp:
  Updated project files for 4.0.4
VC++Files/mysys/mysys.dsp:
  Updated project files for 4.0.4
VC++Files/perror/perror.dsp:
  Updated project files for 4.0.4
VC++Files/sql/mysqld.dsp:
  Updated project files for 4.0.4
client/mysqldump.c:
  Only write short usage if one starts mysqldump without any options
include/config-win.h:
  Added query cache on windows
libmysql/libmysql.def:
  Removed old depricated functions from windows dll
sql/ha_innodb.cc:
  Added missing defines
sql/set_var.cc:
  Code cleanup
sql/sql_acl.cc:
  Added error message if one can't read privilege tables
sql/sql_cache.h:
  Changed some C linkage functions to C++ functions (portability fix)
sql/sql_class.cc:
  Safety fix