- Change INIT_FUNCTION and INIT_SECTION to CODE_SEG("INIT") and DATA_SEG("INIT") respectively
- Remove INIT_FUNCTION from function prototypes
- Remove alloc_text pragma calls as they are not needed anymore
- Bugcheck VIDEO_DRIVER_INIT_FAILURE in case initializing video fails.
- Bugcheck WIN32K_INIT_OR_RIT_FAILURE (Windows-compatible) in case
the USER subsystem version does not match.