make feeder->mpd accessible

diff --git a/bin/mpd-feeder b/bin/mpd-feeder
index 827541fb9e9da1ef1e1a29ef221eb07f4ad52af5..7c796c71f4f1e5e65eba5a66dd774eb5f3fb6add 100755 (executable)
--- a/bin/mpd-feeder
+++ b/bin/mpd-feeder
@@ -126,7 +126,7 @@ class Feeder {
     has $opt :reader;
     has $db;
     has $db_generation;
-    has $mpd;
+    has $mpd :reader;
 
 use constant DEFAULT_CONFIG_FILE => '/etc/mpd-feeder/mpd-feeder.conf';