Fixing crossgen to use the correct RID for OSX and Win now that only portable packages are being produced.
Fixing crossgen to use the correct RID for OSX and Win now that only portable packages are being produced.

dasMulli/cli,livarcocc/cli-1,harshjain2/cli,johnbeisner/cli,dasMulli/cli,svick/cli,johnbeisner/cli,Faizan2304/cli,Faizan2304/cli,livarcocc/cli-1,johnbeisner/cli,EdwardBlair/cli,EdwardBlair/cli,Faizan2304/cli,svick/cli,livarcocc/cli-1,ravimeda/cli,ravimeda/cli,dasMulli/cli,harshjain2/cli,svick/cli,ravimeda/cli,harshjain2/cli,EdwardBlair/cli