backend.StartMaster: fix variable name
backend.StartMaster: fix variable name

As per comments for patch “Convert node_start_master to new style
result”, the ‘payload’ variable is renamed to ‘err_msgs’.

Signed-off-by: Iustin Pop <acf83a5274f31a43af6b914614365999469c1a31@google.com>
Reviewed-by: Guido Trotter <f62ca4d5358bdaeef0e50e57f9f7e231de63727e@google.com>

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