Fixed problem with NULL in VARCHAR/BLOB keys for multi-part keys where VARCHAR/BLOB is first part


client/mysqladmin.cc:
  Show GLOBAL status
myisam/mi_key.c:
  Fixed problem with NULL in VARCHAR/BLOB keys for multi-part keys where VARCHAR/BLOB is first part
  (Ramil will soon push test cases)
sql/handler.cc:
  Indentation fix
tests/mysql_client_test.c:
  Portability fixes