src/pmdumplog/pmdumplog.c: changes to handle compressed archives
src/pmdumplog/pmdumplog.c: changes to handle compressed archives

In a few places (mostly to do with dumping and checking the temporal
index), replace stat() with __pmStat().

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp