mosquitto: bump to version 1.4.7

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/mosquitto/mosquitto.hash

@@ -1,2 +1,2 @@
 # Locally calculated after checking pgp signature
-sha256  b432e19fee0c549f4a0fb0e866d1b6a897b38dbf1ddfda92bb43e2a24f01df66  mosquitto-1.4.5.tar.gz
+sha256  71a1cb37893403e00b7db85c5db4af50b40d055ce61e5d21092c2594f2023b8b  mosquitto-1.4.7.tar.gz

package/mosquitto/mosquitto.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-MOSQUITTO_VERSION = 1.4.5
+MOSQUITTO_VERSION = 1.4.7
 MOSQUITTO_SITE = http://mosquitto.org/files/source
 MOSQUITTO_LICENSE = EPLv1.0 or EDLv1.0
 MOSQUITTO_LICENSE_FILES = LICENSE.txt epl-v10 edl-v10