Small Bridge.pm fix

This change will make sure that the internal _vlan_hoa() function will strip
any additional index levels that may be present in input data. Not only applies
to Q-BRIDGE-MIB tables with a TimeFilter index, but also to tables where part
of the data comes from IEEE8021-Q-BRIDGE-MIB with both TimeFilter and PBB ID.

lib/SNMP/Info/Bridge.pm

@@ -429,7 +429,7 @@ sub _vlan_hoa {
         my $vlan;
 
         # Strip TimeFilter if we're using VlanCurrentTable
-        ( $vlan = $idx ) =~ s/^\d+\.//;
+        ($vlan = $idx) =~ s/^(\d+\.)*//g;
 
         # Convert portlist bit array to bp_index array
         for ( my $i = 0; $i <= $#$portlist; $i++ ) {