RTE's not properly discovered in infoprovider

With the new arcctl the RTE's (!71 (merged)) must be actively enabled with

 <path-to>/arcctl rte enable some-rte-dir/som-sub-dir/some-RTE

this creates a symlink to the RTE in

<your-runtimedir>/some-rte-dir/some-sub-dir/some-RTE

where your-runtimedir is specified in the arc.conf, e.g. as runtimedir=/wlcg/runtime

However, it seems that the infoprovider does not pick up the RTE. info.xml has empty ApplicationEnvironments:

 <ApplicationEnvironments>
 </ApplicationEnvironments>

A suggestion by Florido was to change to the following in line 412 of CEinfo.pl

$rte_opts->{controldir} = $config->{control}{'.'}{controldir} if $config->{control}{'.'}{controldir};

However, even after this the RTE is not properly reported.