gnt-instance fix a typo in AddInstance
gnt-instance fix a typo in AddInstance

It's hvparams, not opts.hvparams.

Reviewed-by: iustinp


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