rx.d.ts compile error

[christyharagan]

As of v4, the rx.d.ts file ends like:

declare module "rx" { export = Rx; }
declare module "rx" { export = Rx; }

This should not be a double entry as it causes the typescript compiler to complain of duplicate entries.

[shadeglare]

Have the same issue.

[mattpodwysocki]

@david-driscoll any idea on this?

[baltie]

Fixed by PR #961.