Unify write_pointers with write_embedded_types, and handle pointers in
unions.  Includes tests.

secur32: Fix the dwVersion field in the security function tables returned by InitSecurityInterfaceA/W.

winedump: '$' isn't a valid character in an identifier regardless that gcc accepts it without warning.

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.