[PATCH] Fix overflow checking extension versions

[Keith Packard]

Robert Ancell <robert.ancell at canonical.com> writes:

> I changed it to 32 bits because (at least) RANDR uses 32 bits for each
> version number [1]:
>
> RRQueryVersion
> client-major-version: CARD32
> client-minor-version: CARD32
> ▶
> major-version: CARD32
> minor-version: CARD32
>
> This was the request I was sending where X said it supported RANDR
> 4294967295.4294967295.

Oh. Awesome. So forward thinking of me :-)

Reviewed-by: Keith Packard <keithp at keithp.com>

-- 
keith.packard at intel.com
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