randr: Fix GetProviderProperty reply
randr: Fix GetProviderProperty reply

The first field has to be 'format' not a pad and 'num_items' is of type
CARD32.

Signed-off-by: Daniel Martin <5ae2633454ceb931c1fd86ffad586b4dfc721833@gmail.com>
Reviewed-by: Arnaud Fontaine <d0f882f2898ca2f261f3bc39cd4d1baaec5851da@debian.org>

nbaum/xcb-proto,nbaum/xcb-proto