procd: output warning if user 'ubus' doesn't exist

 6acc48c early: fall-back to run ubus as root if user can't be found

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_SOURCE_DATE:=2020-11-30
-PKG_SOURCE_VERSION:=4625350465744c2446ac0b0dc821699fa1695c81
-PKG_MIRROR_HASH:=f41b1b8e4b48e9f7103e179e9b35b04c55b9146f0aad88caf2e7c2c68844e841
+PKG_SOURCE_DATE:=2020-12-04
+PKG_SOURCE_VERSION:=6acc48c7a2faac48c534b8a5516500c270550a9e
+PKG_MIRROR_HASH:=ee1a238a54fff4c71a6e52f092394b94dbcc488581e6fd3a1bb6da515ce1cbaf
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=GPL-2.0