Changed iscc to use environment variable for finding WINE.
Changed iscc to use environment variable for finding WINE.

Signed-off-by: Tyler Schultz <6b7a73f4f7cffc2a148becd12890940350ddfa95@pivotal.io>

saurabhguptasg/cli,Zouuup/cli,fujitsu-cf/cli,TomG713/cli,18F/cli,srikanth88infy/cli,fujitsu-cf/cli,hyenaspots/cli,rastasheep/trash-can,diatmpravin/cli,SrinivasChilveri/cli,saravana76/cli,ReachingOut/cli,kavoj/cli,mcowger/cli,saurabhguptasg/cli,TomG713/cli,mcintyred/cli,zhang-hua/cli,simonleung8/cli,saurabhguptasg/cli,rastasheep/trash-can,rastasheep/trash-can,evanfarrar/cli,cf-routing/cli,Zouuup/cli,SrinivasChilveri/cli,evanfarrar/cli,pishro-cc/cli,hyenaspots/cli,kavoj/cli,HuaweiTech/cli,srikanth88infy/cli,mcintyred/cli,xingzhou/cli,mcowger/cli,cgvarela/cli,pishro-cc/cli,fujitsu-cf/cli,srikanth88infy/cli,saravana76/cli,AmitRoushan/cli,zhang-hua/cli,mcintyred/cli,zhang-hua/cli,EngineerBetter/cli,18F/cli,carnell69/cli,cgvarela/cli,xingzhou/cli,pishro-cc/cli,xingzhou/cli,markstgodard/cli,ofer43211/cli,kavoj/cli,AmitRoushan/cli,simonleung8/cli,cgvarela/cli,18F/cli,ReachingOut/cli,mcintyred/cli,xingzhou/cli,evanfarrar/cli,markstgodard/cli,carnell69/cli,diatmpravin/cli,diatmpravin/cli,SrinivasChilveri/cli,evanfarrar/cli,cf-routing/cli,ReachingOut/cli,srikanth88infy/cli,zhang-hua/cli,EngineerBetter/cli,EngineerBetter/cli,markstgodard/cli,HuaweiTech/cli,SrinivasChilveri/cli,TomG713/cli,simonleung8/cli,mcowger/cli,TomG713/cli,Zouuup/cli,markstgodard/cli,carnell69/cli,AmitRoushan/cli,saravana76/cli,Zouuup/cli,carnell69/cli,ReachingOut/cli,kavoj/cli,AmitRoushan/cli,rastasheep/trash-can,HuaweiTech/cli,hyenaspots/cli,hyenaspots/cli,ofer43211/cli,18F/cli,EngineerBetter/cli,diatmpravin/cli,saurabhguptasg/cli,ofer43211/cli,HuaweiTech/cli,pishro-cc/cli,saravana76/cli,cgvarela/cli,ofer43211/cli,mcowger/cli,cf-routing/cli,cf-routing/cli