util.json: Fix variable name typo which broke util.json when util.array was missing.

diff --git a/util/json.lua b/util/json.lua
index 6251af1a0ac5b05501e9e222aa4d468587e9d286..67276765b44846fa4a846fac70829d75ae3f2a5b 100644 (file)
--- a/util/json.lua
+++ b/util/json.lua
@@ -17,7 +17,7 @@ local newproxy, getmetatable = newproxy, getmetatable;
 local print = print;
 
 local has_array, array = pcall(require, "util.array");
-local array_mt = hasarray and getmetatable(array()) or {};
+local array_mt = has_array and getmetatable(array()) or {};
 
 --module("json")
 local json = {};