Fix typo in a locking.py comment
Fix typo in a locking.py comment

Reviewed-by: imsnah


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