Don't create temporary objects with no table name


myisam/mi_open.c:
  After merge fix
mysql-test/r/analyse.result:
  After merge fix
mysql-test/r/backup.result:
  After merge fix
mysql-test/r/create.result:
  After merge fix
mysql-test/r/delete.result:
  After merge fix
mysql-test/r/func_like.result:
  After merge fix
mysql-test/r/innodb.result:
  After merge fix
mysql-test/r/rpl_loaddatalocal.result:
  After merge fix
mysql-test/r/type_timestamp.result:
  After merge fix
mysql-test/t/delete.test:
  Change to not use table 't'
sql/sql_class.h:
  Remove usage of thd when creating 'Table_ident'
  Don't create temporary objects with no table name
sql/sql_derived.cc:
  Indentation fix
sql/sql_select.cc:
  After merge fix
  Fixed wrong return -> DBUG_RETURN()
sql/sql_yacc.yy:
  Remove usage of thd when creating 'Table_ident'