[source] netifd: update to git HEAD

[LEDE Commits]

stintel pushed a commit to source.git, branch master:
https://git.lede-project.org/97eb8abec0123f03693cc78e68b23079df295745

commit 97eb8abec0123f03693cc78e68b23079df295745
Author: Stijn Tintel <stijn at linux-ipv6.be>
AuthorDate: Fri Jul 21 21:59:16 2017 +0200

    netifd: update to git HEAD
    
    d397e8c netifd: Fix printf calls + function declarations.
    34afb76 system-linux: fix GRE ikey/okey endianness
    
    Signed-off-by: Stijn Tintel <stijn at linux-ipv6.be>
---
 package/network/config/netifd/Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/package/network/config/netifd/Makefile b/package/network/config/netifd/Makefile
index 79b69bb..4602ba2 100644
--- a/package/network/config/netifd/Makefile
+++ b/package/network/config/netifd/Makefile
@@ -5,9 +5,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(LEDE_GIT)/project/netifd.git
-PKG_SOURCE_DATE:=2017-06-13
-PKG_SOURCE_VERSION:=ef5f7a09a202ba6c3d2021af0b36ee32a18f680f
-PKG_MIRROR_HASH:=94f216a9c9da1a6c8fd44aadc87470a549a64224859e246250ee63b2edbf7476
+PKG_SOURCE_DATE:=2017-07-21
+PKG_SOURCE_VERSION:=34afb764077768a361d76256fb05cbba172de223
+PKG_MIRROR_HASH:=54b48cda9c8e28ce4785c00f4ca7782f2fa0672362a36de0860db04901f7e995
 PKG_MAINTAINER:=Felix Fietkau <nbd at nbd.name>
 
 PKG_LICENSE:=GPL-2.0