Mechanically convert to if_inc_counter().
Mechanically convert to if_inc_counter().
Mechanically convert to if_inc_counter().
Fix build on 32-bit machines.

Pointy hat to:	glebius
Mechanically convert to if_inc_counter().
Mechanically convert to if_inc_counter().
Mechanically convert to if_inc_counter().
Remove sys/types.h include as per style (9)

SDT requries sys/param.h due to use of NULL

Reported by:	Garrett
Sponsored by:	Multiplay
- Mechanically convert to if_inc_counter().
- Cut code that runs a counter backwards.