src/liboping.c: Make -Wextra happy.
src/liboping.c: Make -Wextra happy.

Removed an unused parameter.

octo/liboping,octo/liboping,octo/liboping,barak/liboping,octo/liboping,iseki-masaya/liboping,iseki-masaya/liboping,iseki-masaya/liboping,barak/liboping,iseki-masaya/liboping,barak/liboping