fix typo in dotnet-install file
fix typo in dotnet-install file

This was needed to rebuild the CLI with the updated Roslyn NuGet packages.

Thanks goes to @akoken for the fix.
ravimeda/cli,mlorbetske/cli,AbhitejJohn/cli,weshaggard/cli,naamunds/cli,weshaggard/cli,nguerrera/cli,mlorbetske/cli,svick/cli,nguerrera/cli,harshjain2/cli,livarcocc/cli-1,jonsequitur/cli,ravimeda/cli,blackdwarf/cli,weshaggard/cli,harshjain2/cli,weshaggard/cli,naamunds/cli,EdwardBlair/cli,Faizan2304/cli,jonsequitur/cli,jonsequitur/cli,dasMulli/cli,nguerrera/cli,EdwardBlair/cli,johnbeisner/cli,svick/cli,blackdwarf/cli,naamunds/cli,livarcocc/cli-1,blackdwarf/cli,AbhitejJohn/cli,dasMulli/cli,mlorbetske/cli,naamunds/cli,johnbeisner/cli,nguerrera/cli,ravimeda/cli,mlorbetske/cli,harshjain2/cli,svick/cli,Faizan2304/cli,naamunds/cli,weshaggard/cli,johnbeisner/cli,dasMulli/cli,jonsequitur/cli,Faizan2304/cli,AbhitejJohn/cli,EdwardBlair/cli,livarcocc/cli-1,blackdwarf/cli,AbhitejJohn/cli