hlink: Improve the saving of hlinks by documenting the unknown header values and saving out more data.

Add tests for saving hlinks with different properties.

including nul-terminating character (4-bytes), followed by the URL
string including nul-terminating character.

The data in This->URLName should be written out, not the pointer 
followed by garbage.

Convert unc\server\share to \\server\share and be more tolerant to null
pointers if only length is requested.

winternl.h: Make the fields of the PROCESS_BASIC_INFORMATION structure use same type width as a PSDK one.

ole32: Remove spurious AddRef of returned object on retrieval of an interface from the global interface table.

ole32: Allow the getting of different interfaces from the global interface table than that with what the object was registered with.

Fix a race between RevokeInterfaceFromGlobal and GetInterfaceFromGlobal 
by only using the entry inside the critical section.

Fix a race between two GetInterfaceFromGlobal by cloning the stream, 
instead of using it and setting the current position back to zero.

Remove an incorrect comment.

ole32: The identity functions can be used from apartments other than the one the proxy was unmarshaled into.

In this case, don't use the cached This->remunk and don't cache the 
unmarshaled object in This->remunk.

Fix up the callers to release the returned IRemUnknown object.

Add tests for this behaviour.

Add tests to make sure read() and fread() work right on closed pipes.