Yaroslav Tykhiy 1a3b685942 MFp4:
- Introduce a helper function if_setflag() containing the code common
  to ifpromisc() and if_allmulti() instead of duplicating the code poorly,
  with different bugs.
- Call ifp->if_ioctl() in a consistent way: always use more compatible C
  syntax and check whether ifp->if_ioctl is not NULL prior to the call.

MFC after:	1 month
2005-07-14 13:56:51 +00:00
..
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