NEVER DO THIS! It is guaranteed to be wrong. Instead always individually pack single structures that need packing.
This fixes USB mouse on 64 bit builds.
hid.dll and hidparse.sys must understand the same HID preparsed data,
so use the same code in hid.dll and in hidparse.sys
At the same time, this permis implementation of some HidP_* functions.
Interface between both is not anymore the HidParser_* functions, but
the HidP_* functions and the AllocFunction/FreeFunction/DebugFunctions/
ZeroFunction/CopyFunction.