Change binaries to bin in LLILCEnv
Change binaries to bin in LLILCEnv

CoreCLR renamed the binaries directory to be bin. Our script should
reflect this change.

JosephTremoulet/llilc,adiaaida/llilc,libengu/llilc,kyulee1/llilcjit,mmitche/llilc,dkorolev/llilc,mmitche/llilc,russellhadley/llilc-original,mmitche/llilc,AndyAyersMS/llilc,adiaaida/llilc,BruceForstall/llilc,swaroop-sridhar/llilc,manu-silicon/llilc,BruceForstall/llilc,kyulee1/llilcjit,manu-silicon/llilc,pgavlin/llilc,libengu/llilc,erozenfeld/llilc,richardlford/llilc,AndyAyersMS/llilc,swaroop-sridhar/llilc,JosephTremoulet/llilc,BruceForstall/llilc,marksantos/llilc,dkorolev/llilc,erozenfeld/llilc,russellhadley/llilc,manu-silicon/llilc,tempbottle/llilc,pgavlin/llilc,russellhadley/llilc-original,libengu/llilc,dotnet/llilc,russellhadley/llilc-original,libengu/llilc,dotnet/llilc,adiaaida/llilc,mmitche/llilc,JosephTremoulet/llilc,erozenfeld/llilc,richardlford/llilc,swaroop-sridhar/llilc,richardlford/llilc,pgavlin/llilc,dkorolev/llilc,marksantos/llilc,russellhadley/llilc,AndyAyersMS/llilc,erozenfeld/llilc,russellhadley/llilc-original,tempbottle/llilc,kyulee1/llilcjit,dotnet/llilc,tempbottle/llilc,russellhadley/llilc,marksantos/llilc