Fix instance variable warning
Fix instance variable warning

oreoshake/brakeman,PragTob/brakeman,jlecour/brakeman,kbrock/brakeman,bf4/brakeman,lee-leon/brakeman,jlecour/brakeman,htdc/brakeman,dfens/brakeman,jlecour/brakeman,spcoder/brakeman,cheerfulstoic/brakeman,kbrock/brakeman,liqites/brakeman,masarakki/brakeman,bf4/brakeman,liqites/brakeman,kbrock/brakeman,dfens/brakeman,lee-leon/brakeman,jakeatwork/brakeman,spcoder/brakeman,masarakki/brakeman,jeffyip/brakeman,masarakki/brakeman,jakeatwork/brakeman,github/brakeman,cheerfulstoic/brakeman,codeclimate/brakeman-deprecated,htdc/brakeman,jakeatwork/brakeman,dfens/brakeman,liqites/brakeman,htdc/brakeman,codeclimate/brakeman-deprecated,PragTob/brakeman,cheerfulstoic/brakeman,spcoder/brakeman,jeffyip/brakeman,github/brakeman,bf4/brakeman,lee-leon/brakeman,oreoshake/brakeman