Patch for Win32-->Win16 calls in PSDRV

[Andrew John Hughes]

License: LGPL

Changelog:

	- DeviceCapabilities16 now calls PSDRV_DeviceCapabilities
	- ExtDeviceMode16 now calls PSDRV_ExtDeviceMode
	- Extended switch statement in DeviceCapabilities to handle new options
	- Added comments to functions

-- 
Andrew :-)

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