Bug #6045: Binary Comparison regression in MySQL 4.1
  Binary searches didn't use a case insensitive index, now they do.


mysql-test/t/range.test:
  Bug #6045: Binary Comparison regression in MySQL 4.1
  Binary searches didn't use a case insensitive index, now they do.
mysql-test/r/range.result:
  Bug #6045: Binary Comparison regression in MySQL 4.1
  Binary searches didn't use a case insensitive index, now they do.
sql/opt_range.cc:
  Bug #6045: Binary Comparison regression in MySQL 4.1
  Binary searches didn't use a case insensitive index, now they do.