procd: update to latest git HEAD

 58c12f7 jail: add basic support for network namespaces
 ba69639 jail: create resolv.conf symlink for netns jails
 81b88b1 jail: more strict mount options for /tmp/resolv.conf.d/

Add new 'netns' flag for procd_add_jail to make ujail setup a new
network namespace for the jailed service.
See previous netifd commit for example configuration for netns jailed
service.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

package/system/procd/Makefile

@@ -12,9 +12,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/procd.git
-PKG_MIRROR_HASH:=036a42aa87741fa5e587195255c01b6b561bcb7b3858be12e8781949ecb1bda0
-PKG_SOURCE_DATE:=2020-01-04
-PKG_SOURCE_VERSION:=a5af33ce9a16f6aa599f19cc7161e067fab9495d
+PKG_SOURCE_DATE:=2020-01-21
+PKG_SOURCE_VERSION:=81b88b1c63770542985f8cb0665eff37e27eb412
+PKG_MIRROR_HASH:=4ed6340f15e5ee267d31789f71294d4ef259f6880c0db528061ddb24be7fcdde
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=GPL-2.0
@@ -52,7 +52,7 @@ endef
 define Package/procd-ujail
   SECTION:=base
   CATEGORY:=Base system
-  DEPENDS:=@KERNEL_NAMESPACES +@KERNEL_UTS_NS +@KERNEL_IPC_NS +@KERNEL_PID_NS +libubox +libblobmsg-json
+  DEPENDS:=@KERNEL_NAMESPACES +@KERNEL_UTS_NS +@KERNEL_IPC_NS +@KERNEL_PID_NS +libubox +libubus +libblobmsg-json
   TITLE:=OpenWrt process jail helper
 endef