Some bug fixes to last pushed code


mysql-test/mysql-test-run.sh:
  Fix for new valgrind (2.1.1)
mysql-test/r/bdb.result:
  Updated results
mysql-test/t/ps_1general.test:
  removed wrong error condition
sql/ha_berkeley.cc:
  Fix for index_flags() in new code
sql/item_strfunc.cc:
  Cleanup (fixed indentation, removed short variable names)
sql/mysql_priv.h:
  Cleanup of db option cacheing
sql/mysqld.cc:
  Cleanup of db option cacheing
sql/sql_db.cc:
  Cleanup of db option cacheing
sql/sql_parse.cc:
  Cleanup of db option cacheing
sql/sql_table.cc:
  sprintf -> strxmov
sql/table.cc:
  key_read should be tested on key parts, not the whole key