procd: update to the latest version, add "button" hotplug handler

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 46578

package/system/procd/Makefile

@@ -8,14 +8,14 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=procd
-PKG_VERSION:=2015-07-24
+PKG_VERSION:=2015-07-27
 
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=git://nbd.name/luci2/procd.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=22b5270d16b92613d42c24168d33a8a14c74701a
+PKG_SOURCE_VERSION:=370b68a9c3514ecb2fb6b814ba58e4e41f4f26c0
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 CMAKE_INSTALL:=1