build failure on ixgbe

commit 9487dc844054e1fc691fb82f4e19da337e2ca35e "ixgbe: Fix compiler 
warnings" wrapped
the definitions of the below two function with ifdef CONFIG_PCI_IOV but 
not all their
usages, once that commit is removed, I can build the code okay

Or.

 linux-2.6.ko.git]# make
  CHK     include/linux/version.h
  CHK     include/generated/utsrelease.h
  CALL    scripts/checksyscalls.sh
  CHK     include/generated/compile.h
  CC [M]  drivers/net/ethernet/intel/ixgbe/ixgbe_main.o
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c: In function 
ixgbe_set_interrupt_capability:
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c:4724: error: implicit 
declaration of function ixgbe_disable_sriov
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c: In function ixgbe_remove:
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c:7773: error: implicit 
declaration of function ixgbe_check_vf_assignment
make[5]: *** [drivers/net/ethernet/intel/ixgbe/ixgbe_main.o] Error 1
make[4]: *** [drivers/net/ethernet/intel/ixgbe] Error 2
make[3]: *** [drivers/net/ethernet/intel] Error 2
make[2]: *** [drivers/net/ethernet] Error 2
make[1]: *** [drivers/net] Error 2
make: *** [drivers] Error 2