daemon/lua/trust_anchors: don't crash when dealing with unknown algorhitm

Closes #449 (closed)

• Depends on deckard!159 (merged)
• Depends on respdiff!52 (merged)

daemon/lua/trust_anchors.lua.in

@@ -328,6 +328,7 @@ local function add_file(path, unmanaged)
 		-- Fetch DNSKEY immediately
 		local keyset = trust_anchors.keysets['\0']
 		keyset.filename = path
+		keyset_write(keyset)
 		if keyset.refresh_ev then event.cancel(keyset.refresh_ev) end
 		refresh_plan(keyset, 0, true)
 		return