VSDC: Fix endianess issues
VSDC: Fix endianess issues

SetProperty was called with int instead of uint16_t in a few places.
This leads to failures on big-endian systems like s390. Found
by running cimtest.

Signed-off-by: Viktor Mihajlovski <a96a137ca8976b5ff3114c85be7aeb3b6464dad7@linux.vnet.ibm.com>

libvirt/libvirt-cim,libvirt/libvirt-cim,libvirt/libvirt-cim