Rebalance.pm patch

Hi,

I'm finally trying the new Rebalance stuff and stubbled upon an error when
using a global limit. When the JobMaster tries to load the saved
rebal_state,
Rebalance.pm croaks because it doesn't recognize the saved setting 'limit'.

bye,
Martijn.

--- MogileFS/Rebalance.pm.orig  2010-10-28 12:34:02.000000000 +0200
+++ MogileFS/Rebalance.pm       2010-10-28 12:34:37.000000000 +0200
@@ -51,6 +51,7 @@
     sdev_current => 0,
     sdev_lastfid => 0,
     sdev_limit => 0,
+    limit => 0,
     fids_queued => 0,
     bytes_queued => 0,
     time_started => 0,
@@ -181,6 +182,7 @@
                     $parsed{$key} = $value;
                 }
             } else {
+debug("in _parse_settings; not dead yet, but invalid setting $key...");
                 croak "Invalid setting $key";
             }
         } else {