Patch to fix issue #1594 that prevented async search results returnin…

[seangay]

…g the correct number of suggestions

This I believe addresses the issues described in https://github.com/twitter/typeahead.js/issues/1594

[MarkHerhold]

BTW, this repo is no longer maintained, but there is a maintained fork over at corejavascript/typeahead.js. :+1:

[CLAassistant]

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