請問各位先進:
我在freebsd7.2安裝isc-dhcp3.0,出現以下錯誤,isc-dhcp的版本為isc-dhcp30-server-3.0.7_4,請問如何解決,謝謝

dhcpd.c: In function 'setup_jail':
dhcpd.c:234: error: 'struct jail' has no member named 'ip_number'
*** Error code 1

Stop in /usr/ports/net/isc-dhcp30-server/work/dhcp-3.0.7/work.freebsd/server.
*** Error code 1

Stop in /usr/ports/net/isc-dhcp30-server/work/dhcp-3.0.7/work.freebsd.
*** Error code 1

Stop in /usr/ports/net/isc-dhcp30-server/work/dhcp-3.0.7.
*** Error code 1

Stop in /usr/ports/net/isc-dhcp30-server.
*** Error code 1

Stop in /usr/ports/net/isc-dhcp30-server.