From c5fd9fb7b955b3f1215634911d2421c272a5e92a Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <brad@danga.com>
Date: Fri, 8 Aug 2014 06:47:10 -0700
Subject: [PATCH] jsonconfig: skip over nil values when expanding

Change-Id: I5dfb7b3022da1ec689cf767e5d088c73c5589386
---
 pkg/jsonconfig/eval.go | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/pkg/jsonconfig/eval.go b/pkg/jsonconfig/eval.go
index 7eac26b94..0020821a4 100644
--- a/pkg/jsonconfig/eval.go
+++ b/pkg/jsonconfig/eval.go
@@ -201,11 +201,7 @@ func (c *ConfigParser) evaluateExpressions(m map[string]interface{}, seenKeys []
 	for k, ei := range m {
 		thisPath := append(seenKeys, k)
 		switch subval := ei.(type) {
-		case string:
-			continue
-		case bool:
-			continue
-		case float64:
+		case string, bool, float64, nil:
 			continue
 		case []interface{}:
 			if len(subval) == 0 {