snmppp: bump version to 3.3.9

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/snmppp/snmppp.hash

@@ -1,2 +1,2 @@
 # Locally computed:
-sha256 982b5f03436813b3094ace49ba5ececc595f9b6db1ad90bd8bf8494e39aa438f  snmp++-3.3.8.tar.gz
+sha256 2ef0cb20658c1eb9e053f8a7a9d5c8f5ebf2f734d37b692fdbf7163ea17dde6f  snmp++-3.3.9.tar.gz

package/snmppp/snmppp.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-SNMPPP_VERSION = 3.3.8
+SNMPPP_VERSION = 3.3.9
 SNMPPP_SOURCE = snmp++-$(SNMPPP_VERSION).tar.gz
 SNMPPP_SITE = http://www.agentpp.com/download
 SNMPPP_DEPENDENCIES = host-pkgconf