charset.conf -> charset.xml
bug fix


mysql-test/r/ctype_many.result:
  koi8_ru -> koi8_r
mysql-test/t/ctype_many.test:
  koi8_ru -> koi8_r
mysys/charset.c:
  charset.conf -> charset.xml
sql/share/Makefile.am:
  charset.conf -> charset.xml
strings/ctype-simple.c:
  Bug fix