Kill unused filter_node->fc.

diff --git a/filter.h b/filter.h
index e7dc1ca..fa00a57 100644 (file)
--- a/filter.h
+++ b/filter.h
@@ -15,8 +15,6 @@ enum filter_enum {FILTER_ENUM};
 struct filter_node {
        /** The number in the array of available filters. */
        unsigned filter_num;
-       /** The filter chain this filter node belongs to. */
-       struct filter_chain *fc;
        /**
         * Each filter may store any filter-specific information about the particular
         * instance of the filter here.