* sys/net/if_gif.c: fix bogus gifconfig failure, on multiple gif   configuration.   From: Takahiro Yugawa <yugawa@itjit.ad.jp>
* sys/net/if_gif.c: fix bogus gifconfig failure, on multiple gif
  configuration.
  From: Takahiro Yugawa <yugawa@itjit.ad.jp>

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame