Portability fix for Windows 64


include/config-win.h:
  Portability fix for Windows 64
include/my_global.h:
  Portability fix for Windows 64
include/mysql_version.h.in:
  Added [mysqld-base-version] as a default group for the mysqld server
innobase/include/univ.i:
  Portability fix for Windows 64
sql/mysqld.cc:
  Added [mysqld-base-version] as a default group for the mysqld server