Don't copy strings in PMCD pmda
Don't copy strings in PMCD pmda

pmStuffValue does not need a copy of a string which is assigned to
an atom - the string just needs to be persistent enough to survive
a call.

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