perf trace beauty: renameat's newdirfd may also be AT_FDCWD
Noticed while working on renameat2. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-8omchrcjcvlwoxxv6wrjehfh@git.kernel.org Signed-off-by:Arnaldo Carvalho de Melo <acme@redhat.com>
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