Fixed error in Maria when using table with only CHAR(0) fields
Fixed valgrind warning


BitKeeper/etc/ignore:
  added storage/maria/maria_dump_log
mysql-test/r/maria.result:
  Testing of table with char(0)
mysql-test/t/maria.test:
  Testing of table with char(0)
sql/sql_table.cc:
  Allow index on 'CHAR(0) NULL' columns
storage/maria/ma_create.c:
  Allow creation of table with 0 record data (for example CHAR(0))
storage/maria/ma_pagecrc.c:
  Fixed valgrind warning