544849 -  snmpd segfaults when openvpn is running

Source: upstream, svn rev. 17931

Clear the bcastentry in every loop iteration. If not cleared, the bcastentry
might be insterted into the container twice, when processing an interface
without broadcast address (like OpenVPN's tun0).

diff -up net-snmp-5.5/agent/mibgroup/ip-mib/data_access/ipaddress_ioctl.c.new net-snmp-5.5/agent/mibgroup/ip-mib/data_access/ipaddress_ioctl.c
--- net-snmp-5.5/agent/mibgroup/ip-mib/data_access/ipaddress_ioctl.c.new	2009-05-06 23:59:20.000000000 +0200
+++ net-snmp-5.5/agent/mibgroup/ip-mib/data_access/ipaddress_ioctl.c	2009-12-21 15:58:02.000000000 +0100
@@ -135,7 +135,6 @@ _netsnmp_ioctl_ipaddress_container_load_
     struct ifreq   *ifrp;
     struct sockaddr save_addr;
     struct sockaddr_in * si;
-    netsnmp_ipaddress_entry *entry, *bcastentry = NULL;
     struct address_flag_info addr_info;
     in_addr_t       ipval;
     _ioctl_extras           *extras;
@@ -156,6 +155,7 @@ _netsnmp_ioctl_ipaddress_container_load_
 
     ifrp = ifc.ifc_req;
     for(i=0; i < interfaces; ++i, ++ifrp) {
+        netsnmp_ipaddress_entry *entry, *bcastentry = NULL;
 
         DEBUGMSGTL(("access:ipaddress:container",
                     " interface %d, %s\n", i, ifrp->ifr_name));