[NTOSKRNL]

[NTOSKRNL]
Don't include initguid.h in a global header. It causes the guids to be generated in every object file, using 16 bytes per guid. We were lucky that the linker seemed to detect duplicates, so that the resulting image size isn't affected. Add a new file guid.c, that only contains the guids.

svn path=/branches/cmake-bringup/; revision=49708