win32: Also the listener thread needs to call CoInitialize
win32: Also the listener thread needs to call CoInitialize

Change-Id: If31c9703d177930922769b98187fae67a28efd4f
Bug-Url: https://bugzilla.redhat.com/1158855
Signed-off-by: Vinzenz Feenstra <600e8a10eeff4f08c65e2cf493cd851025e86fd2@redhat.com>
silenceli/oga-windows,silenceli/oga-windows,silenceli/oga-windows,oVirt/ovirt-guest-agent,oVirt/ovirt-guest-agent,oVirt/ovirt-guest-agent,silenceli/oga-windows,oVirt/ovirt-guest-agent