NtQueryVirtualMemory with MemorySectionName assumes incorrect buffer size.

MiQueryMemorySectionName does not take into account the fact that the information buffer also contains a UNICODE_STRING structure and sets MaximumLength to a value that is too large.

With DPH we can see that this causes the test to crash:
https://reactos.org/testman/detail.php?id=30091790&prev=30087450