additional 700 byte reduction in drivers/char

[mjn3@codepoet.org (Manuel Novoa III)]

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Hello again,

I had some time this evening so I did a quick pass through
arch/i86/drivers/char.  These changes aren't as well tested
as the previous ones, if at all.  Same configuration as before.

   cvs source (with fs/minix/bitmap.c fix):
	Root device is (0, 0)
	Boot sector 512 bytes.
	Setup is 1772 bytes.
	System is 120672 B (61456 B code, 7940 B data and 51276d B bss)
	System is 69428

   previously patched version
	Root device is (0, 0)
	Boot sector 512 bytes.
	Setup is 1772 bytes.
	System is 118380 B (59472 B code, 7640 B data and 51268d B bss)
	System is 67144

   previously patched version with arch/i86/driver/char patch (attached)
	Root device is (0, 0)
	Boot sector 512 bytes.
	Setup is 1772 bytes.
	System is 117544 B (58704 B code, 7572 B data and 51268d B bss)
	System is 66308

Manuel


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