disable freeing of memory that might not be available yet
disable freeing of memory that might not be available yet

This prevents invalid memory access at the cost of a memory leak in the read
functionality of the Packfile PMCs.

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