fix uninitialized ivar warnings
fix uninitialized ivar warnings

ledestin/rails,aditya-kapoor/rails,elfassy/rails,vipulnsward/rails,mijoharas/rails,Sen-Zhang/rails,kenta-s/rails,Envek/rails,stefanmb/rails,gcourtemanche/rails,yasslab/railsguides.jp,pschambacher/rails,richseviora/rails,notapatch/rails,utilum/rails,yasslab/railsguides.jp,kenta-s/rails,Sen-Zhang/rails,Stellenticket/rails,BlakeWilliams/rails,untidy-hair/rails,EmmaB/rails-1,palkan/rails,vipulnsward/rails,Edouard-chin/rails,repinel/rails,aditya-kapoor/rails,assain/rails,kamipo/rails,MSP-Greg/rails,betesh/rails,xlymian/rails,notapatch/rails,joonyou/rails,ttanimichi/rails,odedniv/rails,yhirano55/rails,deraru/rails,Edouard-chin/rails,betesh/rails,Erol/rails,mijoharas/rails,alecspopa/rails,vipulnsward/rails,ledestin/rails,Erol/rails,assain/rails,matrinox/rails,sergey-alekseev/rails,riseshia/railsguides.kr,kmcphillips/rails,kaspth/rails,gfvcastro/rails,notapatch/rails,kachick/rails,yahonda/rails,koic/rails,palkan/rails,riseshia/railsguides.kr,rafaelfranca/omg-rails,bolek/rails,arjes/rails,yasslab/railsguides.jp,Envek/rails,mathieujobin/reduced-rails-for-travis,mohitnatoo/rails,sealocal/rails,utilum/rails,georgeclaghorn/rails,yawboakye/rails,mechanicles/rails,lcreid/rails,travisofthenorth/rails,jeremy/rails,BlakeWilliams/rails,BlakeWilliams/rails,yhirano55/rails,bradleypriest/rails,bogdanvlviv/rails,bogdanvlviv/rails,shioyama/rails,samphilipd/rails,matrinox/rails,MSP-Greg/rails,flanger001/rails,Spin42/rails,prathamesh-sonpatki/rails,baerjam/rails,kmcphillips/rails,Envek/rails,flanger001/rails,mohitnatoo/rails,iainbeeston/rails,esparta/rails,bolek/rails,prathamesh-sonpatki/rails,printercu/rails,MSP-Greg/rails,rails/rails,kamipo/rails,rbhitchcock/rails,amoody2108/TechForJustice,rafaelfranca/omg-rails,MSP-Greg/rails,shioyama/rails,mohitnatoo/rails,bradleypriest/rails,jeremy/rails,untidy-hair/rails,felipecvo/rails,tjschuck/rails,yahonda/rails,voray/rails,yalab/rails,lucasmazza/rails,Edouard-chin/rails,hanystudy/rails,illacceptanything/illacceptanything,alecspopa/rails,lucasmazza/rails,Erol/rails,voray/rails,kmayer/rails,vassilevsky/rails,mijoharas/rails,Edouard-chin/rails,tjschuck/rails,starknx/rails,elfassy/rails,arunagw/rails,Stellenticket/rails,eileencodes/rails,yhirano55/rails,utilum/rails,Spin42/rails,esparta/rails,fabianoleittes/rails,shioyama/rails,illacceptanything/illacceptanything,koic/rails,fabianoleittes/rails,ttanimichi/rails,rafaelfranca/omg-rails,samphilipd/rails,eileencodes/rails,deraru/rails,kenta-s/rails,vassilevsky/rails,brchristian/rails,lcreid/rails,mohitnatoo/rails,joonyou/rails,EmmaB/rails-1,marklocklear/rails,BlakeWilliams/rails,richseviora/rails,maicher/rails,georgeclaghorn/rails,rails/rails,rbhitchcock/rails,illacceptanything/illacceptanything,odedniv/rails,koic/rails,xlymian/rails,kddeisz/rails,starknx/rails,joonyou/rails,kachick/rails,mtsmfm/railstest,amoody2108/TechForJustice,mathieujobin/reduced-rails-for-travis,gauravtiwari/rails,coreyward/rails,kirs/rails-1,Vasfed/rails,prathamesh-sonpatki/rails,starknx/rails,schuetzm/rails,illacceptanything/illacceptanything,vipulnsward/rails,pvalena/rails,printercu/rails,palkan/rails,rails/rails,rails/rails,lcreid/rails,riseshia/railsguides.kr,lucasmazza/rails,Vasfed/rails,voray/rails,bolek/rails,tgxworld/rails,yhirano55/rails,mechanicles/rails,gfvcastro/rails,illacceptanything/illacceptanything,tgxworld/rails,marklocklear/rails,arjes/rails,samphilipd/rails,iainbeeston/rails,pvalena/rails,elfassy/rails,sergey-alekseev/rails,georgeclaghorn/rails,flanger001/rails,Erol/rails,MichaelSp/rails,baerjam/rails,mtsmfm/rails,illacceptanything/illacceptanything,tijwelch/rails,georgeclaghorn/rails,Sen-Zhang/rails,ngpestelos/rails,tjschuck/rails,mtsmfm/rails,pvalena/rails,riseshia/railsguides.kr,bogdanvlviv/rails,brchristian/rails,mtsmfm/rails,88rabbit/newRails,mechanicles/rails,MichaelSp/rails,xlymian/rails,baerjam/rails,amoody2108/TechForJustice,assain/rails,kirs/rails-1,untidy-hair/rails,gavingmiller/rails,schuetzm/rails,gfvcastro/rails,eileencodes/rails,betesh/rails,printercu/rails,gcourtemanche/rails,lcreid/rails,illacceptanything/illacceptanything,arjes/rails,notapatch/rails,88rabbit/newRails,Stellenticket/rails,kaspth/rails,tijwelch/rails,kmcphillips/rails,mechanicles/rails,Vasfed/rails,repinel/rails,alecspopa/rails,yawboakye/rails,schuetzm/rails,stefanmb/rails,sergey-alekseev/rails,tgxworld/rails,gfvcastro/rails,gauravtiwari/rails,tjschuck/rails,yalab/rails,schuetzm/rails,coreyward/rails,kmayer/rails,kaspth/rails,coreyward/rails,gavingmiller/rails,aditya-kapoor/rails,rossta/rails,yasslab/railsguides.jp,tijwelch/rails,kmcphillips/rails,jeremy/rails,gcourtemanche/rails,yalab/rails,ledestin/rails,88rabbit/newRails,travisofthenorth/rails,travisofthenorth/rails,betesh/rails,kddeisz/rails,Stellenticket/rails,sealocal/rails,bradleypriest/rails,arunagw/rails,hanystudy/rails,illacceptanything/illacceptanything,utilum/rails,baerjam/rails,iainbeeston/rails,bogdanvlviv/rails,Vasfed/rails,illacceptanything/illacceptanything,kddeisz/rails,deraru/rails,vassilevsky/rails,rbhitchcock/rails,Envek/rails,shioyama/rails,yalab/rails,kmayer/rails,rossta/rails,pschambacher/rails,mtsmfm/railstest,esparta/rails,felipecvo/rails,MichaelSp/rails,fabianoleittes/rails,richseviora/rails,untidy-hair/rails,Spin42/rails,iainbeeston/rails,illacceptanything/illacceptanything,repinel/rails,aditya-kapoor/rails,yawboakye/rails,ngpestelos/rails,kddeisz/rails,brchristian/rails,mathieujobin/reduced-rails-for-travis,ngpestelos/rails,illacceptanything/illacceptanything,pvalena/rails,kirs/rails-1,gavingmiller/rails,mtsmfm/railstest,marklocklear/rails,arunagw/rails,joonyou/rails,rossta/rails,jeremy/rails,prathamesh-sonpatki/rails,palkan/rails,illacceptanything/illacceptanything,EmmaB/rails-1,deraru/rails,esparta/rails,yawboakye/rails,yahonda/rails,tgxworld/rails,odedniv/rails,kamipo/rails,pschambacher/rails,felipecvo/rails,illacceptanything/illacceptanything,sealocal/rails,fabianoleittes/rails,illacceptanything/illacceptanything,gauravtiwari/rails,ttanimichi/rails,assain/rails,kachick/rails,matrinox/rails,printercu/rails,maicher/rails,repinel/rails,flanger001/rails,arunagw/rails,hanystudy/rails,illacceptanything/illacceptanything,yahonda/rails,eileencodes/rails,travisofthenorth/rails,stefanmb/rails,maicher/rails