export * as NS is skipped during bundling

[bradzacher]

Bug report

Input code

// file1
export interface Foo {}
export interface Bar {}

// file2
export * as Test from './file1';

Expected output

export declare namespace Test {
  export interface Foo {}
  export interface Bar {}
}

Actual output

export {};

Additional context
Add any other context about the problem here (CLI options, etc)

[timocov]

Duplicate of #134

[timocov]

I think it's pretty similar to #134 (comment)