win32: Application list is not returned on 2K3 R2

The application list is not returned, as it seems that under Windows
2003 R2 the subsequent call to the OpenKey, after the parent key has
been already opened, for some reason looses the correct WOW property,
resulting in key not found error.

Change-Id: I1a801f53fe917e1327b50c75de102d7635959c76
Signed-off-by: Lev Veyde <lveyde@redhat.com>
Bug-Url: https://bugzilla.redhat.com/1174853