[rhythmbox] rhythmdb: fix build error with glib 2.23.4+

[Jonathan Matthew <jmatthew src gnome org>]

commit ca650b04ef038c9d028a89479b1737634ed2683f
Author: Jonathan Matthew <jonathan d14n org>
Date:   Mon Mar 1 21:41:04 2010 +1000

    rhythmdb: fix build error with glib 2.23.4+
    
    It would probably be nice to support G_FILE_MONITOR_EVENT_MOVED, but for
    now we don't request them, so it doesn't matter that we don't have any
    code for dealing with them.

 rhythmdb/rhythmdb-monitor.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/rhythmdb/rhythmdb-monitor.c b/rhythmdb/rhythmdb-monitor.c
index 5585278..cba49fa 100644
--- a/rhythmdb/rhythmdb-monitor.c
+++ b/rhythmdb/rhythmdb-monitor.c
@@ -348,6 +348,7 @@ rhythmdb_directory_change_cb (GFileMonitor *monitor,
 		break;
 	case G_FILE_MONITOR_EVENT_PRE_UNMOUNT:
 	case G_FILE_MONITOR_EVENT_UNMOUNTED:
+	default:
 		break;
 	}