nginx: update to 1.16.0

Update nginx to latest stable release 1.16.0

Signed-off-by: Deng Qingfang <dengqf6@mail2.sysu.edu.cn>

net/nginx/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=nginx
-PKG_VERSION:=1.15.10
-PKG_RELEASE:=2
+PKG_VERSION:=1.16.0
+PKG_RELEASE:=1
 
 PKG_SOURCE:=nginx-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://nginx.org/download/
-PKG_HASH:=b865743abd52bce4745d0f7e7fedde3cafbaaab617b022c105e3e4e456537c3c
+PKG_HASH:=4fd376bad78797e7f18094a00f0f1088259326436b537eb5af69b01be2ca1345
 
 PKG_MAINTAINER:=Thomas Heil <heil@terminal-consulting.de> \
 				Ansuel Smith <ansuelsmth@gmail.com>