Fix sniffing for vertx in lib/async also
Fix sniffing for vertx in lib/async also

anthonyvia/when,frank-weindel/when,caporta/when,mlennon3/when,ning-github/when,petkaantonov/when,ning-github/when,tkirda/when,stevage/when,SourcePointUSA/when,tkirda/when,mlennon3/when,anthonyvia/when,caporta/when,stevage/when,frank-weindel/when,SourcePointUSA/when