net/mosquitto: bump to v1.4.9

Bugfix release.  Full changelog available at
http://mosquitto.org/2016/06/version-1-4-9-released/

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

net/mosquitto/Makefile

@@ -9,14 +9,14 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=mosquitto
-PKG_VERSION:=1.4.8
+PKG_VERSION:=1.4.9
 PKG_RELEASE:=1
 PKG_LICENSE:=BSD-3-Clause
 PKG_LICENSE_FILES:=LICENSE.txt
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://mosquitto.org/files/source/
-PKG_MD5SUM:=d859cd474ffa61a6197bdabe007b9027
+PKG_MD5SUM:=67943e2c5afebf7329628616eb2c41c5
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSION)
 
 include $(INCLUDE_DIR)/package.mk