514703: [MC5.3]The snmpd terminated abnormally

Don't free and then memcpy prev_vals->old_stats!

Checked-in upstream as SVN rev. 17714

diff -up net-snmp-5.3.2.2/agent/mibgroup/ip-mib/data_access/systemstats_common.c.orig2 net-snmp-5.3.2.2/agent/mibgroup/ip-mib/data_access/systemstats_common.c
--- net-snmp-5.3.2.2/agent/mibgroup/ip-mib/data_access/systemstats_common.c.orig2	2009-08-04 10:28:49.000000000 +0200
+++ net-snmp-5.3.2.2/agent/mibgroup/ip-mib/data_access/systemstats_common.c	2009-08-04 10:24:30.000000000 +0200
@@ -421,13 +421,13 @@ netsnmp_access_systemstats_entry_update_
      */
     if (0 == need_wrap_check) {
         SNMP_FREE(prev_vals->old_stats);
+    } else {
+        /*
+         * update old stats from new stats.
+         * careful - old_stats is a pointer to stats...
+         */
+        memcpy(prev_vals->old_stats, &new_vals->stats, sizeof(new_vals->stats));
     }
-    
-    /*
-     * update old stats from new stats.
-     * careful - old_stats is a pointer to stats...
-     */
-    memcpy(prev_vals->old_stats, &new_vals->stats, sizeof(new_vals->stats));
 
     _calculate_entries(prev_vals);