fix the ABI check

include/mysql.h.pp

@@ -109,6 +109,8 @@ my_bool net_write_command(NET *net,unsigned char command,
      const unsigned char *packet, size_t len);
 int net_real_write(NET *net,const unsigned char *packet, size_t len);
 unsigned long my_net_read_packet(NET *net, my_bool read_from_server);
+ulong my_net_read_packet_reallen(NET *net, my_bool read_from_server,
+                                 ulong* reallen);
 struct sockaddr;
 int my_connect(my_socket s, const struct sockaddr *name, unsigned int namelen,
         unsigned int timeout);