c-ares: update to 1.16.1

Various fixes, nothing particularly standout as of particular interest
to OpenWrt.  Full changelog at https://c-ares.haxx.se/changelog.html

Signed-off-by: Karl Palsson <karlp@etactica.com>

libs/c-ares/Makefile

@@ -9,14 +9,14 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=c-ares
-PKG_VERSION:=1.15.0
-PKG_RELEASE:=4
+PKG_VERSION:=1.16.1
+PKG_RELEASE:=1
 PKG_LICENSE:=MIT
 PKG_CPE_ID:=cpe:/a:c-ares_project:c-ares
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://c-ares.haxx.se/download
-PKG_HASH:=6cdb97871f2930530c97deb7cf5c8fa4be5a0b02c7cea6e7c7667672a39d6852
+PKG_HASH:=d08312d0ecc3bd48eee0a4cc0d2137c9f194e0a28de2028928c0f6cae85f86ce
 
 PKG_FIXUP:=autoreconf
 PKG_INSTALL:=1