Fix WSL support

[rctl]

~/projects/src/github.com/dhtech/prodaccess [master] $ prodaccess -vmware
2019/06/09 16:00:49 Generating VMware CSR ...
2019/06/09 16:00:49 Sending credential request
2019/06/09 16:00:50 Required action: url:"/login?session=df046f56-3586-4b24-867a-ea6f8e320294"
2019/06/09 16:00:56 skipping SSH known hosts, already exists

Import-PfxCertificate -FilePath C:\Users\rctl\AppData\Local\Temp\prodaccess.pfx -CertStoreLocation Cert:\CurrentUser\My

2019/06/09 16:00:57 Imported certificate:

   PSParentPath: Microsoft.PowerShell.Security\Certificate::CurrentUser\My

Thumbprint                                Subject
----------                                -------
5A1F86FFABAA51A1D7D05EB7244F8D40833F6737  CN=rctl, OU=VMware

[rctl]

@bluecmd