[source] zlib: update to 1.2.10

[LEDE Commits]

hauke pushed a commit to source.git, branch master:
https://git.lede-project.org/186cd4533d9955d0f7b32f64e6c6d785d59073d3

commit 186cd4533d9955d0f7b32f64e6c6d785d59073d3
Author: Magnus Kroken <mkroken at gmail.com>
AuthorDate: Wed Jan 4 22:52:54 2017 +0100

    zlib: update to 1.2.10
    
    * Fix bug in deflate_stored() for zero-length input
    * Fix bug in gzwrite.c that produced corrupt gzip files
    
    Signed-off-by: Magnus Kroken <mkroken at gmail.com>
---
 package/libs/zlib/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/package/libs/zlib/Makefile b/package/libs/zlib/Makefile
index 93c8115..d6155b6 100644
--- a/package/libs/zlib/Makefile
+++ b/package/libs/zlib/Makefile
@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=zlib
-PKG_VERSION:=1.2.9
+PKG_VERSION:=1.2.10
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=http://www.zlib.net @SF/libpng
-PKG_HASH:=03d9c7f67976cf1389589782de46f45011053ea7f4222c2fb8c2cf9fd813bb68
+PKG_HASH:=9612bf086047078ce3a1c154fc9052113fc1a2a97234a059da17a6299bd4dd32
 
 PKG_LICENSE:=Zlib
 PKG_LICENSE_FILES:=README