rpm packaging - fix small but critical typo
rpm packaging - fix small but critical typo

If PCP_SYSCONF_DIR was spelled correctly, then cleanconfigs would
not stash stuff away directly under / ... doh!

Thank goodness for /var/log/pcp/install.log which is a temporary
crutch while we sort out the wrinkles in this config file migration
+ packaging stuff.

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