From 2ba4edbfb702f526c6f0109c683b0141d87c6423 Mon Sep 17 00:00:00 2001
From: karroffel <therzog@mail.de>
Date: Tue, 5 Dec 2017 20:00:44 +0100
Subject: [PATCH] fix Dictionary iteration

---
 core/dictionary.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/dictionary.cpp b/core/dictionary.cpp
index 48e65c734fb..44fce2474ff 100644
--- a/core/dictionary.cpp
+++ b/core/dictionary.cpp
@@ -204,7 +204,9 @@ const Variant *Dictionary::next(const Variant *p_key) const {
 
 	if (p_key == NULL) {
 		// caller wants to get the first element
-		return &_p->variant_map.front().key();
+		if (_p->variant_map.front())
+			return &_p->variant_map.front().key();
+		return NULL;
 	}
 	OrderedHashMap<Variant, Variant, _DictionaryVariantHash>::Element E = _p->variant_map.find(*p_key);