Fixed a typo in signing for Windows
Fixed a typo in signing for Windows

Was signing the no-Java bundle with SHA1 instead of SHA512
amwenger/igv,amwenger/igv,igvteam/igv,igvteam/igv,igvteam/igv,amwenger/igv,igvteam/igv,amwenger/igv,amwenger/igv,igvteam/igv