Fix the missing Chunk in helpers
Fix the missing Chunk in helpers

Fix a issue with Chunk missing in the helpers method
ellipticaljs/dustjs,linkedin/dustjs,catberry/catberry-dust,erg0dic/dustjs,aredridel/dustjs,alihalabyah/dustjs,jimmyhchan/dustjsMirrorOld,modulexcite/dustjs,ellipticaljs/dustjs,jrrbru/dustjs,shakyShane/crossbow-lang,nchlswtsn/dustjs,jimmyhchan/dustjs,cake-disposal-squad/dustjs,tachyon1337/dustjs,alihalabyah/dustjs,sethkinast/dustjs,mobify/dustjs,rphuber/dustjs,modulexcite/dustjs,tachyon1337/dustjs,cake-disposal-squad/dustjs