procd: update to the latest version

Changes since last version

    dfb68f8 service: initialize supplementary group ids
    3db4e6d service: add func for string config change check
    c3faabe procd: get rid of putenv usage.

The supplementary group id change fixes FS#988

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

package/system/procd/Makefile

@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=procd
-PKG_RELEASE:=2
+PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/procd.git
-PKG_SOURCE_DATE:=2018-01-23
-PKG_SOURCE_VERSION:=653629f19e591a0827ab39de07b4526bb119a57a
-PKG_MIRROR_HASH:=2e0c3ae45521eea456a8411c8d9ef19ed9a5ed6c0ab38b9496555625fb4ba6a2
+PKG_SOURCE_DATE:=2018-03-28
+PKG_SOURCE_VERSION:=dfb68f8556df63878add145ad9c656381bc20656
+PKG_MIRROR_HASH:=8d2c70fb0264a6548e39acc5ab1c44cec50fc550c4f931760b0796f8893c9b7f
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=GPL-2.0