add PKG_VERSION and PKG_RELEASE

Author: smartcoder0777

applications/luci-app-ledtrig-ping/Makefile

@@ -10,6 +10,8 @@ LUCI_TITLE:=LuCI LED trigger: ping target
 LUCI_DESCRIPTION:=LED trigger that indicates reachability of a host (on = reachable, off = unreachable).
 LUCI_DEPENDS:=+luci-base
 
+PKG_VERSION:=1.0.0
+PKG_RELEASE:=1
 PKG_LICENSE:=Apache-2.0
 PKG_MAINTAINER:=LuCI community <luci@lists.openwrt.org>