Don't pass potentially-NULL pfraw into Parrot_pf_get_packfile_pmc()
Don't pass potentially-NULL pfraw into Parrot_pf_get_packfile_pmc()

tkob/parrot,parrot/parrot,FROGGS/parrot,FROGGS/parrot,parrot/parrot,youprofit/parrot,youprofit/parrot,FROGGS/parrot,FROGGS/parrot,tkob/parrot,youprofit/parrot,tkob/parrot,FROGGS/parrot,youprofit/parrot,FROGGS/parrot,youprofit/parrot,FROGGS/parrot,tkob/parrot,youprofit/parrot,tkob/parrot,youprofit/parrot,tkob/parrot,youprofit/parrot,parrot/parrot,parrot/parrot,tkob/parrot,tkob/parrot,parrot/parrot,FROGGS/parrot