Revert "shm: fix Completion event fields"
Revert "shm: fix Completion event fields"

This reverts commit 51c5112d18fc4359c8a3cbe82cb884dcef1a320e.

stapelberg/xcb-proto,OpenInkpot-archive/iplinux-xcb-proto,nbaum/xcb-proto,nbaum/xcb-proto,stapelberg/xcb-proto,OpenInkpot-archive/iplinux-xcb-proto