[Cython] Undefined name 'entry' generate_type_import_call() 0.15.1 and trunk

[Matteo Bertozzi]

there's an undefined name 'entry' in ModuleNode.py
generate_type_import_call() line 2171. I think that 'entry' should be
replaced with 'type'. 

> diff --git a/Cython/Compiler/ModuleNode.py b/Cython/Compiler/ModuleNode.py
> index 13cf6c8..ff9ca56 100644
> --- a/Cython/Compiler/ModuleNode.py
> +++ b/Cython/Compiler/ModuleNode.py
> @@ -2168,7 +2168,7 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
>          else:
>              module_name = '__Pyx_BUILTIN_MODULE_NAME'
>              if type.name in Code.non_portable_builtins_map:
> -                condition, replacement = Code.non_portable_builtins_map[entry.name]
> +                condition, replacement = Code.non_portable_builtins_map[type.name]
>                  code.putln("#if %s" % condition)
>                  code.putln('%s = __Pyx_ImportType(%s, "%s", sizeof(%s), 1); %s' % (
>                          type.typeptr_cname,