01ad2067bb
The memcpy had the wrong size and this was causing crashes on 32-bit
builds of the driver.
Fixes: 6a9525bf67 "intel/eu: Switch to a logical state stack"
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106830
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>