[source] odhcpd: bump to git HEAD

[LEDE Commits]

dedeckeh pushed a commit to source.git, branch master:
https://git.lede-project.org/621f8cbfae2437b793170ae3b4da7555be32212e

commit 621f8cbfae2437b793170ae3b4da7555be32212e
Author: Hans Dedecker <dedeckeh at gmail.com>
AuthorDate: Sat Jan 7 18:46:12 2017 +0100

    odhcpd: bump to git HEAD
    
    ef3c563 dhcpv6-ia: filter out prefixes having invalid length
    16cd87e dhcpv6-ia: fix dereference after freeing assignment
    d6b0c99 dhcpv6-ia: log only IPv6 addresses which are effectively
    assigned to a DHCPv6 client
    08a9367 config: respect ignore uci option
    
    Signed-off-by: Hans Dedecker <dedeckeh at gmail.com>
---
 package/network/services/odhcpd/Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/package/network/services/odhcpd/Makefile b/package/network/services/odhcpd/Makefile
index 35e25ca..6813a0f 100644
--- a/package/network/services/odhcpd/Makefile
+++ b/package/network/services/odhcpd/Makefile
@@ -12,9 +12,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_URL:=git://git.lede-project.org/project/odhcpd.git
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_DATE:=2017-01-03
-PKG_SOURCE_VERSION:=091d8a94a6b7325309c3354344b96ff37aed52e2
-PKG_MIRROR_HASH:=490450fcbab9ff2326694fa9334ebd9e3f445909538a80e4f6c1e8cdb22813fd
+PKG_SOURCE_DATE:=2017-01-06
+PKG_SOURCE_VERSION:=ef3c5632c100fda0fa463a3ed56ff926f3f86b20
+PKG_MIRROR_HASH:=a870ae200dd4b0776f18f19051f75a6654108e8f25044d37c6d0856193c3ccf0
 
 PKG_MAINTAINER:=Steven Barth <steven at midlink.org>
 PKG_LICENSE:=GPL-2.0