procd: update to the latest git HEAD

62dc8c0 system: sysupgrade: send reply on error
2710c65 system: refuse sysupgrade with backup if it's unsupported

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:=ace1cb8406b91b0170afe9ba78edbeb054b6d3ca8f3976c546f71c1a1ed99be9
-PKG_SOURCE_DATE:=2019-09-11
-PKG_SOURCE_VERSION:=b8238df0fb9585b5ec9acbc0f4285dad953f2192
+PKG_MIRROR_HASH:=4a99856ac9696a9c8721aa090780f2bee929aae056561729d7a01efe8fd584ec
+PKG_SOURCE_DATE:=2019-09-16
+PKG_SOURCE_VERSION:=62dc8c0efe1e8acd694b893effd973a295c5b676
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=GPL-2.0