Fix the indentation of _LockList
Fix the indentation of _LockList

.. to 2 spaces instead of 4.

Signed-off-by: Petr Pudlak <9d19625f8ee825a2c398462ed335cbcf98f79c32@google.com>
Reviewed-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>

onponomarev/ganeti,dimara/ganeti,ganeti/ganeti,apyrgio/ganeti,mbakke/ganeti,ganeti/ganeti,grnet/snf-ganeti,yiannist/ganeti,leshchevds/ganeti,yiannist/ganeti,apyrgio/ganeti,ganeti/ganeti,grnet/snf-ganeti,leshchevds/ganeti,andir/ganeti,onponomarev/ganeti,leshchevds/ganeti,ganeti-github-testing/ganeti-test-1,mbakke/ganeti,yiannist/ganeti,bitemyapp/ganeti,dimara/ganeti,mbakke/ganeti,andir/ganeti,andir/ganeti,bitemyapp/ganeti,ganeti-github-testing/ganeti-test-1