src/liboping.c: Always set the QoS member. Default to 0.
src/liboping.c: Always set the QoS member. Default to 0.

This should fix the following warning / error:
  liboping.c:599: warning: comparison is always true due to limited
    range of data type

Thanks to James Bromberger for reporting this!

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