[KERNEL32][NTVDM]

[KERNEL32][NTVDM]
In BaseCheckVDM, return a task ID of 0 if there is a console.
In CommandThreadProc, make sure the loop executes at least once.
Also, if a session ID is given, there is no parent console, so there is no need to wait
for further commands.

svn path=/branches/ntvdm/; revision=63124