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 <[email protected]>

package/system/procd/Makefile

@@ -12,9 +12,9 @@ PKG_RELEASE:=$(AUTORELEASE)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/procd.git
-PKG_SOURCE_DATE:=2021-07-25
-PKG_SOURCE_VERSION:=f26233edb6a550bf23d51d5d4c864baf093e46e1
-PKG_MIRROR_HASH:=6160291a1b94cf89e4e438440ef393119f88c6182937d557a9e2864e765322a6
+PKG_SOURCE_DATE:=2021-08-04
+PKG_SOURCE_VERSION:=516bdf26d4f60dc5fb063da8715fed2bad24dbd0
+PKG_MIRROR_HASH:=670ee1cec775b75c542a5583b59e8b9dc21b22c42d7e3556426caf11eed52b33
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=GPL-2.0