libpcp/tv.c - remove another tsub() implementation
libpcp/tv.c - remove another tsub() implementation

Use __pmtimevalSub() instead.

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