[source] odhcp6c: update to git HEAD version

[LEDE Commits]

dedeckeh pushed a commit to source.git, branch master:
https://git.lede-project.org/28509d6809e2407fbb9b5532f6443353d3301fb9

commit 28509d6809e2407fbb9b5532f6443353d3301fb9
Author: Hans Dedecker <dedeckeh at gmail.com>
AuthorDate: Mon Mar 6 17:31:21 2017 +0100

    odhcp6c: update to git HEAD version
    
    c69555c dhcpv6: use PRIu64 print macro
    
    Signed-off-by: Hans Dedecker <dedeckeh at gmail.com>
---
 package/network/ipv6/odhcp6c/Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/package/network/ipv6/odhcp6c/Makefile b/package/network/ipv6/odhcp6c/Makefile
index d1f2ed9..a0b7dbe 100644
--- a/package/network/ipv6/odhcp6c/Makefile
+++ b/package/network/ipv6/odhcp6c/Makefile
@@ -12,9 +12,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(LEDE_GIT)/project/odhcp6c.git
-PKG_SOURCE_DATE:=2017-02-08
-PKG_SOURCE_VERSION:=cfd986c389c59cc8199a42bd797863bdb0eba6b7
-PKG_MIRROR_HASH:=5124c0b20477bf3cd648eb643e7d4d3addb27e1679a50b77b07a0e9d9da4cf40
+PKG_SOURCE_DATE:=2017-02-21
+PKG_SOURCE_VERSION:=c69555cadd74d50fb88f00c3aac43dd2dc59d1f1
+PKG_MIRROR_HASH:=75b41554e183900e1f6d7fd779397132556e36f246c20c16566845cc55ce08fd
 PKG_MAINTAINER:=Hans Dedecker <dedeckeh at gmail.com>
 PKG_LICENSE:=GPL-2.0