Fix #172 on ZSH
Fix #172 on ZSH

NicCollins/nvm,wskplho/nvm,reybango/nvm,vinaykaradia/clone-nvm,PeterDaveHelloKitchen/nvm,kmctown/nvm,domenicosolazzo/nvm,pmq20/nvm,thomasf/nvm,bevacqua/nvm,hanhailong/nvm,owen-it/nvm,bbuck/nvm,mmorejon/nvm,cnpm/nvm,michael-ni/nvm,vinaykaradia/clone-nvm,tlevine/nvm,WY08271/nvm,mirydz/nvm,ljharb/nvm,tianzhihen/nvm,domenicosolazzo/nvm,joneit/nvm,ljharb/nvm,lukechilds/nvm,mmorejon/nvm,Richardphp/nvm,slariviere/nvm,joneit/nvm,youleiy/nvm,nontage24/nvm,diegofcb10/nvm,thomasf/nvm,Salahudeen/nvm,evocateur/nvm,misterdjules/nvm,creationix/nvm,PeterDaveHello/nvm,Ingelheim/nvm,psychoss/nvm,reybango/nvm,woss/nvm,Ingelheim/nvm,cnpm/nvm,edwmurph/nvm,JanChw/nvm,SampleLiao/nvm,elrasguno/nvm,Salahudeen/nvm,DigitallySeamless/nvm,appleboy/nvm,edwmurph/nvm,scq000/nvm,dfackler/nvm,gtdeng/nvm,jhliberty/nvm,dfackler/nvm,greyhwndz/nvm,wahyutaufik/nvm,jaawerth/nvm,Kuzirashi/nvm,icyflame/nvm,fnogatz/swivm,egilkh/nvm,gtdeng/nvm,CristianCantoro/nvm,modulexcite/nvm,PeterDaveHelloKitchen/nvm,christophercaburog/nvm,evocateur/nvm,cjac/nvm,parasaro92/nvm,cjac/nvm,SampleLiao/nvm,psychoss/nvm,JasonChrYoung/nvm,hkdobrev/nvm,JasonChrYoung/nvm,hanhailong/nvm,xtuple/nvm,devedbox/nvm,elrasguno/nvm,modulexcite/nvm,LeeLovCY/nvm,owen-it/nvm,williamboman/nvm,Theodeus/nvm,jhliberty/nvm,Richardphp/nvm,lukechilds/nvm,JanChw/nvm,sjfkai/nvm,williamboman/nvm,devedbox/nvm,Kuzirashi/nvm,IonicaBizauKitchen/nvm,greyhwndz/nvm,slariviere/nvm,wahyutaufik/nvm,misterdjules/nvm,pmq20/nvm,WY08271/nvm,cirosantilli/nvm,tianzhihen/nvm,DigitallySeamless/nvm,bbuck/nvm,Theodeus/nvm,cirosantilli/nvm,egilkh/nvm,kumaria/nvm,christophercaburog/nvm,IonicaBizauKitchen/nvm,michael-ni/nvm,hkdobrev/nvm,nontage24/nvm,CristianCantoro/nvm,kmctown/nvm,parasaro92/nvm,jbergstroem/nvm,mirydz/nvm,woss/nvm,jaawerth/nvm,kumaria/nvm,LeeLovCY/nvm,wskplho/nvm,icyflame/nvm,youleiy/nvm,diegofcb10/nvm,bevacqua/nvm,PeterDaveHello/nvm,jbergstroem/nvm,creationix/nvm,chinazhaghai/nvm,chinazhaghai/nvm,scq000/nvm,tlevine/nvm