perf dlfilter dlfilter-show-cycles: Fix types for print format

Avoid compiler warning about format %llu that expects long long unsigned
int but argument has type __u64.

Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Fixes: c3afd6e5

 ("perf dlfilter: Add dlfilter-show-cycles")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20220905074735.4513-1-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>