print_hex_l: don't print more than 8 hex digits on a 32-bit machine
print_hex_l: don't print more than 8 hex digits on a 32-bit machine

This patch prevents compilation warnings about shift overflow on ARM.

Signed-off-by: Alexander Kartashov <5dbba7f06b96156c7ec38c5bd8a847828ec59a50@parallels.com>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@parallels.com>

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