Kill the output of uninitialised values when punching a hole. This prevents the test from passing on just about everything. Merge of master-melb:xfs-cmds:30762a by kenmcd. remove roffp and rlenp output for punch operations.
tests PV 976771, by trying to punch a hole that's not page aligned but block aligned Merge of master-melb:xfs-cmds:30582a by kenmcd. New QA test