Possibly incorrect calculation in rescaleValuatorAxis

[Michael Thayer]

I'm not familiar with the code in question, so please excuse me if I am
wrong here.  rescaleValuatorAxis in dix/getevents.c does a call to
lroundf to round up the result.  It seems to me that it should actually
always round down.  With the current code as I read it, if I am scaling
an axis with range 0 to 0x10000 to a screen width of 1024, values 0 to
31 on my axis translate to pixel 0, values 32 to 95 to pixel 1, values
96 to 159 to pixel 2 and so on; basically everything is shifted half a
pixel to the right.

Regards,

Michael
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