Fix a typo in a devel/upload comment
Fix a typo in a devel/upload comment

Files are uploaded to $prefix/sbin, not $prefix/bin

Reviewed-by: iustinp


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