conf: registered option "filter"

Add this option to the user's manual.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/conf.c b/src/conf.c
index 385dff4d..6209335d 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -94,6 +94,7 @@ static struct config_entry config_entries[] = {
 	{ .name = CONF_DECODER, true, true },
 	{ .name = CONF_INPUT, true, true },
 	{ .name = CONF_GAPLESS_MP3_PLAYBACK, false, false },
+	{ .name = "filter", true, true },
 };
 
 static bool