Add support for Ed25519 DNSSEC signature algorithm.

src/blockdata.c

@@ -25,7 +25,7 @@ static void blockdata_expand(int n)
 {
   struct blockdata *new = whine_malloc(n * sizeof(struct blockdata));
   
-  if (n > 0 && new)
+  if (new)
     {
       int i;
       
@@ -100,6 +100,7 @@ struct blockdata *blockdata_alloc(char *data, size_t len)
   return ret;
 }
 
+
 void blockdata_free(struct blockdata *blocks)
 {
   struct blockdata *tmp;