webservd: add native 64-bit syscalls

The syscall filter is written mostly for arm and is missing a bunch
of syscalls used on native 64-bit arches like amd64.  Add them here.

TEST=webservd doesn't crash on amd64-generic anymore

Change-Id: I2ed016d7a76d42996b2669b37c12f1263d776a27
Reviewed-on: https://chromium-review.googlesource.com/424633
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Garret Kelly <gdk@chromium.org>
1 file changed