Fix QA fallout from recent formatting change to pcp command
Fix QA fallout from recent formatting change to pcp command

Test qa/518 picked up a recent regression in the pcp(1) command
with the -p option (extended pmie stats) - the new sorting code
made this option no longer make sense.  Fallback to older style
of formatting when the -p option has been presented.

aeg-aeg/pcpfans,mbaldessari/pcp,andyvand/cygpcpfans,tjanez/pcp,aeg-aeg/pcpfans,andyvand/cygpcpfans,andyvand/cygpcpfans,adfernandes/pcp,prasincs/pcp,edwardt/pcp,mbaldessari/pcp,adfernandes/pcp,prasincs/pcp,mbaldessari/pcp,aeg-aeg/pcpfans,tjanez/pcp,aeg-aeg/pcpfans,wuliming/pcp,edwardt/pcp,wuliming/pcp,andyvand/cygpcpfans,wuliming/pcp,tjanez/pcp,tjanez/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,aeg-aeg/pcpfans,tjanez/pcp,andyvand/cygpcpfans,mbaldessari/pcp,prasincs/pcp,aeg-aeg/pcpfans,wuliming/pcp,andyvand/cygpcpfans,andyvand/cygpcpfans,tjanez/pcp,edwardt/pcp,wuliming/pcp,prasincs/pcp,edwardt/pcp,andyvand/cygpcpfans,prasincs/pcp,adfernandes/pcp,aeg-aeg/pcpfans,aeg-aeg/pcpfans,adfernandes/pcp,prasincs/pcp,prasincs/pcp,tjanez/pcp,mbaldessari/pcp,tjanez/pcp,edwardt/pcp,prasincs/pcp,edwardt/pcp,edwardt/pcp,adfernandes/pcp,wuliming/pcp,mbaldessari/pcp,edwardt/pcp,wuliming/pcp,wuliming/pcp