[PATCH 0/1] MR2763: wow64win: Only marshal MSGs in wow64_NtUserCallWindowsHook if needed.

[Tim Clem (＠tclem)]

lparam != 0 does not imply lparam_size is big enough for a MSG, so we
can end up manipulating memory past the end of the buffer.

Co-authored-by: Jacek Caban