From b9a183210575ed56b072f1f798be12ea4d0d2268 Mon Sep 17 00:00:00 2001
From: Connor Newton <connor@ifthenelse.io>
Date: Sat, 25 Aug 2018 13:23:43 +0100
Subject: [PATCH] Fix Config.idFor() recursive ID lookup in anonymous fields
 (fixes #732)

Prefix was not being propagated in second pass so was only correct at
first level where pref == ""
---
 schema/schema.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/schema/schema.go b/schema/schema.go
index ab275741e..c82e873bf 100644
--- a/schema/schema.go
+++ b/schema/schema.go
@@ -975,7 +975,7 @@ func (c *Config) idFor(rules fieldRules, rt reflect.Type, rv reflect.Value, pref
 		if !fld.Anonymous {
 			continue
 		}
-		id, err = c.idFor(rules, fld.Type, rv.Field(i), fld.Name+".")
+		id, err = c.idFor(rules, fld.Type, rv.Field(i), pref+fld.Name+".")
 		if err != nil || id != nil {
 			return
 		}