[source] odhcpd: Add reload support

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/e58f3f515fe3555d2f82569e37454c7ba067001c

commit e58f3f515fe3555d2f82569e37454c7ba067001c
Author: Hans Dedecker <dedeckeh at gmail.com>
AuthorDate: Mon Nov 14 12:19:39 2016 +0100

    odhcpd: Add reload support
    
    odhcpd daemon has hitless config reload support by means of the
    sighup signal; add reload_service function which uses sighup
    signal to reload the config
    
    Signed-off-by: Hans Dedecker <dedeckeh at gmail.com>
---
 package/network/services/odhcpd/Makefile          | 2 +-
 package/network/services/odhcpd/files/odhcpd.init | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/package/network/services/odhcpd/Makefile b/package/network/services/odhcpd/Makefile
index e049e92..0647ec9 100644
--- a/package/network/services/odhcpd/Makefile
+++ b/package/network/services/odhcpd/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=odhcpd
-PKG_VERSION:=2016-09-22
+PKG_VERSION:=2016-11-14
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
diff --git a/package/network/services/odhcpd/files/odhcpd.init b/package/network/services/odhcpd/files/odhcpd.init
index c8a3114..bbbec9c 100644
--- a/package/network/services/odhcpd/files/odhcpd.init
+++ b/package/network/services/odhcpd/files/odhcpd.init
@@ -11,6 +11,10 @@ start_service() {
 	procd_close_instance
 }
 
+reload_service() {
+	killall -HUP odhcpd
+}
+
 service_triggers()
 {
 	procd_add_reload_trigger "dhcp"