nginx: update to 1.16.1

Fixes:
when using HTTP/2 a client might cause excessive memory
consumption and CPU usage (CVE-2019-9511, CVE-2019-9513,
CVE-2019-9516).

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:=1.16.0
+PKG_VERSION:=1.16.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=nginx-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://nginx.org/download/
-PKG_HASH:=4fd376bad78797e7f18094a00f0f1088259326436b537eb5af69b01be2ca1345
+PKG_HASH:=f11c2a6dd1d3515736f0324857957db2de98be862461b5a542a3ac6188dbe32b
 
 PKG_MAINTAINER:=Thomas Heil <heil@terminal-consulting.de> \
 				Ansuel Smith <ansuelsmth@gmail.com>