Fix SQL logic in PortMAC.pm (imperfectus)

SQL::Abstract::belch(): [SQL::Abstract::_where_field_op_ARRAYREF] Warning: A multi-element arrayref as an
argument to the inequality op '!=' is technically equivalent to an always-true 1=1 (you probably wanted to
say ...{ $inequality_op => [ -and => @values ] }... instead) at
/home/netdisco/perl5/lib/perl5/App/Netdisco/Util/PortMAC.pm line 48

Netdisco/lib/App/Netdisco/Util/PortMAC.pm

@@ -41,7 +41,7 @@ sub get_port_macs {
 
     my $dp_macs
         = schema('netdisco')->resultset('DevicePort')
-        ->search( { mac => { '!=', [ undef, '00:00:00:00:00:00' ] } },
+        ->search( { mac => { '!=' => [ -and => (undef, '00:00:00:00:00:00') ] } },
         { select => [ 'mac', 'ip' ],
           group_by => [ 'mac', 'ip' ] } );
     my $dp_cursor = $dp_macs->cursor;