Description of problem:

~~~
ed875d98-e407-4b07-967a-363cbecf3bb3
        Status = Up
        acpiEnable = true
        emulatedMachine = rhel6.5.0
        pid = 11785
        memGuaranteedSize = 930
        transparentHugePages = true
        displaySecurePort = 5900
        spiceSslCipherSuite = DEFAULT
        cpuType = Westmere
        smp = 2
        hypervEnable = true
        custom = {}
        vmType = kvm
        memSize = 2048
        smpCoresPerSocket = 1
        vmName = jb-w10-x64
...
~~~

~~~
ed875d98-e407-4b07-967a-363cbecf3bb3
        Status = Up
        displayInfo = [{'tlsPort': '5900', 'ipAddress': '10.34.62.40', 'port': '-1', 'type': 'spice'}]
        memUsage = 35
        acpiEnable = true
        pid = 11785
...
        appsList = ['QEMU guest agent', 'RHEV-Spice-Agent64 3.5.2', 'RHEV-Serial64 3.5.3', 'RHEV-Agent64 3.5.7', 'RHEV-Network64 3.5.2', 'RHEV-Block64 3.5.3', 'RHEV-SSO64 3.5.2', 'RHEV-Tools 3.5.10', 'RHEV-Balloo
n64 3.5.3', 'RHEV-SCSI64 3.5.2']
        guestOs = Win 8
        guestFQDN = DESKTOP-2A7IVG7.rhev.lab.eng.brq.redhat.com
        hash = 5295256131457450912
...
~~~

~~~
...
Dummy-1::INFO::2015-11-10 15:59:55,345::ovirtguestservice::94::root::Stopping OVirt Guest Agent service
Dummy-1::INFO::2015-11-10 16:00:48,424::ovirtguestservice::80::root::Starting OVirt Guest Agent service
Dummy-1::DEBUG::2015-11-10 16:00:48,424::ovirtagentlogic::162::root::AgentLogicBase:: __init__() entered
Dummy-1::DEBUG::2015-11-10 16:00:48,438::guestagentwin32::218::root::WinOsTypeHandler::getWinOsType osType = 'Win 8'
Dummy-1::DEBUG::2015-11-10 16:00:48,438::guestagentwin32::633::root::WinVdsAgent:: run() entered
Dummy-1::DEBUG::2015-11-10 16:00:48,517::ovirtagentlogic::186::root::AgentLogicBase:: run() entered
Dummy-2::DEBUG::2015-11-10 16:00:48,517::ovirtagentlogic::203::root::AgentLogicBase:: doWork() entered
Dummy-2::DEBUG::2015-11-10 16:00:48,517::ovirtagentlogic::249::root::AgentLogicBase::doListen() - entered
Dummy-2::DEBUG::2015-11-10 16:00:48,517::ovirtagentlogic::256::root::AgentLogicBase::doListen() - in loop before vio.read
Dummy-2::DEBUG::2015-11-10 16:00:48,627::guestagentwin32::495::root::Active user: user@DESKTOP-2A7IVG7
Dummy-2::DEBUG::2015-11-10 16:00:48,627::ovirtagentlogic::337::root::AgentLogicBase::sendUserInfo - cur_user = 'user@DESKTOP-2A7IVG7'
...
~~~

Version-Release number of selected component (if applicable):
RHEV-Agent64 3.5.7 / RHEV-toolsSetup_3.5_10.iso

How reproducible:
100%

Steps to Reproduce:
1. install WGT on either Win 10 32bit or 64 bit
2. check what guestOs is about
3.

Actual results:
windows 10 detected as windows 8

Expected results:
should be detected as windows 10

Additional info: