Conflicts:
	mysql-test/suite/sys_vars/r/transaction_alloc_block_size_basic.result
	mysql-test/suite/sys_vars/r/transaction_prealloc_size_basic.result
	mysql-test/suite/sys_vars/t/transaction_alloc_block_size_basic.test
	mysql-test/suite/sys_vars/t/transaction_prealloc_size_basic.test
	sql/mysqld.cc