procd: update to the latest git HEAD

34ac88c system: reject sysupgrade of invalid firmware images by default
f55c235 system: reject sysupgrade of broken firmware images
e990e21 system: add "validate_firmware_image" ubus method

This update changes "sysupgrade" ubus method API. It's now required to
pass "force" attribute whenever invalid firmware is meant to be
installed.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

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:=1aa4694283dcaf80b4871e25dfb73f1c62c5c9d5dc22d47be93f9760ed2926ba
-PKG_SOURCE_DATE:=2019-08-28
-PKG_SOURCE_VERSION:=0430252482d0a9007cfb6571622c1b0b5ab7b93d
+PKG_MIRROR_HASH:=fb745fd02a12c97adc99668b498dd4d960acded3340ab811eee730e0c34669c1
+PKG_SOURCE_DATE:=2019-09-04
+PKG_SOURCE_VERSION:=34ac88cb873ad81f1510e2207c34b6abaa1ae16a
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=GPL-2.0