Fix wrong indentation in LUQueryNodes
Fix wrong indentation in LUQueryNodes

Reviewed-by: iustinp


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