package/mosquitto: bump version to 1.6.7

Fixes a number of issues after 1.6.6:
https://mosquitto.org/blog/2019/09/version-1-6-7-released/

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/mosquitto/mosquitto.hash

@@ -1,5 +1,5 @@
 # Locally calculated after checking gpg signature
-sha256 82676bf4201ff102be1511b56b041a9450fbbfeda40b21aa28be0fee56e8de17  mosquitto-1.6.6.tar.gz
+sha256 bcd31a8fbbd053fee328986fadd8666d3058357ded56b9782f7d4f19931d178e  mosquitto-1.6.7.tar.gz
 
 # License files
 sha256 cc77e25bafd40637b7084f04086d606f0a200051b61806f97c93405926670bc1  LICENSE.txt

package/mosquitto/mosquitto.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-MOSQUITTO_VERSION = 1.6.6
+MOSQUITTO_VERSION = 1.6.7
 MOSQUITTO_SITE = https://mosquitto.org/files/source
 MOSQUITTO_LICENSE = EPL-1.0 or EDLv1.0
 MOSQUITTO_LICENSE_FILES = LICENSE.txt epl-v10 edl-v10