procd: update to git HEAD
Fix build on glibc targets and address a bunch of compiler warnings.
93fc089 jail: cgroups-bpf: don't use sys/reg.h when building with glibc
548d057 jail: don't ignore return value of seteuid()
220b716 jail: ignore return value when creating default /dev symlinks
78d5baa hotplug-dispatch: don't ignore asprintf() return value
736aee5 uxc: always handle asprintf() return value
2b20456 hotplug-dispatch: replace wrongly used assert()
bfc86a2 jail: cgroups: replace wrongly used assert()
516bdf2 jail: don't ignore return value of write()
Signed-off-by: Daniel Golle <daniel@makrotopia.org>