Fixed inserting RR owner pointer.

- Was trying to insert owner pointer also if it was larger than
  largest allowed pointer number. Fixed by inserting whole name
  if such position is encountered.

libknot/packet/response.c

@@ -266,15 +266,15 @@ static size_t knot_response_find_dname_pos(
                const knot_dname_t *dname, int compr_cs)
 {
 	for (int i = 0; i < table->count; ++i) {
-		debug_knot_response("Comparing dnames %p and %p\n",
-		                      dname, table->dnames[i]);
-DEBUG_KNOT_RESPONSE(
-		char *name = knot_dname_to_str(dname);
-		debug_knot_response("(%s and ", name);
-		name = knot_dname_to_str(table->dnames[i]);
-		debug_knot_response("%s)\n", name);
-		free(name);
-);
+//		debug_knot_response("Comparing dnames %p and %p\n",
+//		                      dname, table->dnames[i]);
+//DEBUG_KNOT_RESPONSE(
+//		char *name = knot_dname_to_str(dname);
+//		debug_knot_response("(%s and ", name);
+//		name = knot_dname_to_str(table->dnames[i]);
+//		debug_knot_response("%s)\n", name);
+//		free(name);
+//);
 		//if (table->dnames[i] == dname) {
 		int ret = (compr_cs)
 		           ? knot_dname_compare_cs(table->dnames[i], dname)
@@ -492,7 +492,7 @@ static int knot_response_rr_to_wire(const knot_rrset_t *rrset,
 	debug_knot_response("Owner position: %zu\n", compr->owner.pos);
 
 	// put owner if needed (already compressed)
-	if (compr->owner.pos == 0) {
+	if (compr->owner.pos == 0 || compr->owner.pos > KNOT_RESPONSE_MAX_PTR) {
 		memcpy(*rrset_wire, compr->owner.wire, compr->owner.size);
 		compr->owner.pos = compr->wire_pos;
 		*rrset_wire += compr->owner.size;