Fixed 2 memory leaks

This should be the root cause of #766 and #796

This patch will be applied to v1.2.x , v1.3.0 and v1.3.1

lib/MySQL_HostGroups_Manager.cpp

@@ -1171,6 +1171,7 @@ void MySQL_HostGroups_Manager::read_only_action(char *hostname, int port, int re
 //		num_rows=resultset->rows_count;
 //	}
 
+	delete resultset;
 	if (admindb==NULL) { // we initialize admindb only if needed
 		admindb=new SQLite3DB();
 		admindb->open((char *)"file:mem_admindb?mode=memory&cache=shared", SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_FULLMUTEX);	

lib/MySQL_Monitor.cpp

@@ -1198,6 +1198,13 @@ __end_monitor_ping_loop:
 				}
 				free(buff);
 			}
+			while (i) { // now free all the addresses/ports
+				i--;
+				free(addresses[i]);
+				free(ports[i]);
+			}
+			free(addresses);
+			free(ports);
 		}
 
 __sleep_monitor_ping_loop: