........S. [ZBX-8793] fixed processing of snmp value to represent it as integer

git-svn-id: svn://svn.zabbix.com/trunk@49739 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2
...G...PS. [ZBX-8761] fixed potential lockup if signal is received during message logging

git-svn-id: svn://svn.zabbix.com/trunk@49743 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2