Fix some places that missed adding flag for packets.
Fix some places that missed adding flag for packets.

jrleeman/MetPy,jrleeman/MetPy,deeplycloudy/MetPy,ahaberlie/MetPy,dopplershift/MetPy,ahaberlie/MetPy,dopplershift/MetPy,Unidata/MetPy,ShawnMurd/MetPy,Unidata/MetPy,ahill818/MetPy