Fix bug: if the user created a prefix column key on a fixed length char column, then InnoDB claimed in CHECK TABLE that the table is corrupt
dict0dict.c:
  Fix bug 1151: if the user created a prefix column primary key on a fixed length char column, then InnoDB crashed in a simple SELECT


innobase/dict/dict0dict.c:
  Fix bug 1151: if the user created a prefix column primary key on a fixed length char column, then InnoDB crashed in a simple SELECT
innobase/btr/btr0btr.c:
  Fix bug: if the user created a prefix column key on a fixed length char column, then InnoDB claimed in CHECK TABLE that the table is corrupt