Fix lint warnings.
Fix lint warnings.

mantyr/dygraphs,pshevtsov/dygraphs,reinert/dygraphs,jmptrader/dygraphs,danvk/dygraphs,Akiyah/dygraphs,socib/dygraphs,socib/dygraphs,mariolll/dygraphs,jmptrader/dygraphs,jmptrader/dygraphs,mcanthony/dygraphs,davidmsibley/dygraphs,mantyr/dygraphs,mcanthony/dygraphs,jmptrader/dygraphs,danvk/dygraphs,Yong-Lee/dygraphs,kbaggott/dygraphs,panuhorsmalahti/dygraphs,timeu/dygraphs,timeu/dygraphs,grantadesign/dygraphs,kbaggott/dygraphs,pshevtsov/dygraphs,Akiyah/dygraphs,panuhorsmalahti/dygraphs,jmptrader/dygraphs,danvk/dygraphs,vhotspur/dygraphs,davidmsibley/dygraphs,klausw/dygraphs,Yong-Lee/dygraphs,witsa/dygraphs,panuhorsmalahti/dygraphs,klausw/dygraphs,klausw/dygraphs,reinert/dygraphs,kbaggott/dygraphs,petechap/dygraphs,pshevtsov/dygraphs,socib/dygraphs,davidmsibley/dygraphs,timeu/dygraphs,kbaggott/dygraphs,Akiyah/dygraphs,grantadesign/dygraphs,vhotspur/dygraphs,socib/dygraphs,reinert/dygraphs,petechap/dygraphs,vhotspur/dygraphs,pshevtsov/dygraphs,panuhorsmalahti/dygraphs,witsa/dygraphs,petechap/dygraphs,grantadesign/dygraphs,witsa/dygraphs,petechap/dygraphs,grantadesign/dygraphs,davidmsibley/dygraphs,Yong-Lee/dygraphs,reinert/dygraphs,witsa/dygraphs,petechap/dygraphs,mantyr/dygraphs,mcanthony/dygraphs,mariolll/dygraphs,mariolll/dygraphs,mcanthony/dygraphs,panuhorsmalahti/dygraphs,timeu/dygraphs,reinert/dygraphs,klausw/dygraphs,vhotspur/dygraphs,vhotspur/dygraphs,pshevtsov/dygraphs,Akiyah/dygraphs,Akiyah/dygraphs,mariolll/dygraphs,grantadesign/dygraphs,witsa/dygraphs,Yong-Lee/dygraphs,mcanthony/dygraphs,mantyr/dygraphs,timeu/dygraphs,Yong-Lee/dygraphs,danvk/dygraphs,mariolll/dygraphs,kbaggott/dygraphs,klausw/dygraphs,danvk/dygraphs,davidmsibley/dygraphs,mantyr/dygraphs