Fix variable names in dnvminstall.ps1

Author: glen-84

dnvminstall.ps1

@@ -1,15 +1,15 @@
 $tempPath = Join-Path $env:TEMP "dnvminstall"
-$kvmPs1Path = Join-Path $tempPath "dnvm.ps1"
-$kvmCmdPath = Join-Path $tempPath "dnvm.cmd"
+$dnvmPs1Path = Join-Path $tempPath "dnvm.ps1"
+$dnvmCmdPath = Join-Path $tempPath "dnvm.cmd"
 
 Write-Host "Using temporary directory: $tempPath"
 if (!(Test-Path $tempPath)) { md $tempPath | Out-Null }
 
 
 $webClient = New-Object System.Net.WebClient
 Write-Host "Downloading DNVM.ps1 to $dnvmPs1Path"
-$webClient.DownloadFile('https://raw.githubusercontent.com/aspnet/Home/dev/dnvm.ps1', $kvmPs1Path)
+$webClient.DownloadFile('https://raw.githubusercontent.com/aspnet/Home/dev/dnvm.ps1', $dnvmPs1Path)
 Write-Host "Downloading DNVM.cmd to $dnvmCmdPath"
-$webClient.DownloadFile('https://raw.githubusercontent.com/aspnet/Home/dev/dnvm.cmd', $kvmCmdPath)
+$webClient.DownloadFile('https://raw.githubusercontent.com/aspnet/Home/dev/dnvm.cmd', $dnvmCmdPath)
 Write-Host "Installing DNVM"
-& $kvmCmdPath setup
+& $dnvmCmdPath setup