net/mosquitto: bump to 1.6.10

Full changelog at: https://mosquitto.org/blog/2020/05/version-1-6-10-released/

Fixes openssl 3.0 support,
Minor fixes, nothing standout as applicable specifically to OpenWrt.

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

net/mosquitto/Makefile

@@ -9,7 +9,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=mosquitto
-PKG_VERSION:=1.6.9
+PKG_VERSION:=1.6.10
 PKG_RELEASE:=1
 PKG_LICENSE:=BSD-3-Clause
 PKG_LICENSE_FILES:=LICENSE.txt
@@ -17,7 +17,7 @@ PKG_CPE_ID:=cpe:/a:eclipse:mosquitto
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://mosquitto.org/files/source/
-PKG_HASH:=412979b2db0a0020bd02fa64f0a0de9e7000b84462586e32b67f29bb1f6c1685
+PKG_HASH:=92d1807717f0f6d57d1ac1207ffdb952e8377e916c7b0bb4718f745239774232
 
 include $(INCLUDE_DIR)/package.mk