Integrated Edon-R hash function.

@@ -52,10 +52,11 @@
 
 enum spa_feature {
         SPA_FEATURE_ASYNC_DESTROY,
         SPA_FEATURE_EMPTY_BPOBJ,
         SPA_FEATURE_LZ4_COMPRESS,
+        SPA_FEATURE_EDONR_CKSUM,
         SPA_FEATURES
 } spa_feature_t;
 
 extern zfeature_info_t spa_feature_table[SPA_FEATURES];