table_print: fix printing tables with key = false

diff --git a/daemon/lua/sandbox.lua.in b/daemon/lua/sandbox.lua.in
index fbb2824359c50a730605dedbf006758fbca37d1c..ec33f2622b2d5d7f967f33cd7baeea8730c380b5 100644 (file)
--- a/daemon/lua/sandbox.lua.in
+++ b/daemon/lua/sandbox.lua.in
@@ -525,7 +525,7 @@ function table_print (tt, indent, done)
                local i = 0
                return function()
                        i = i + 1
-                       if keys[i] then
+                       if keys[i] ~= nil then
                                return keys[i], unordered_tt[keys[i]]
                        end
                end