nginx: upstep to 1.9.9

Signed-off-by: Dirk Feytons <dirk.feytons@gmail.com>

net/nginx/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=nginx
-PKG_VERSION:=1.9.6
+PKG_VERSION:=1.9.9
 PKG_RELEASE:=1
 
 PKG_SOURCE:=nginx-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://nginx.org/download/
-PKG_MD5SUM:=f6899825e7a8deadba4948ff84515ad6
+PKG_MD5SUM:=50fdfa08e93ead7a111cba5a5f5735af
 PKG_MAINTAINER:=Thomas Heil <heil@terminal-consulting.de>
 PKG_LICENSE:=2-clause BSD-like license