libs/web: transparently handle userdata in write_json()

diff --git a/libs/web/luasrc/http.lua b/libs/web/luasrc/http.lua
index 60a3e07..1811250 100644 (file)
--- a/libs/web/luasrc/http.lua
+++ b/libs/web/luasrc/http.lua
@@ -339,7 +339,7 @@ function write_json(x)
                else
                        write(tostring(x))
                end
-       elseif type(x) == "string" then
+       else
                write("%q" % tostring(x))
        end
 end