Merge ramayana.hindu.god:/home/tsmith/m/bk/maint/41

into  ramayana.hindu.god:/home/tsmith/m/bk/maint/50


mysql-test/r/ctype_ucs.result:
  Auto merged
mysql-test/t/ctype_ucs.test:
  Auto merged
sql/set_var.cc:
  Auto merged